OpenTechnical

OT-2026-000054224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054224) never changes.

Identity and time

Publication numberOT-2026-000054224 · never reused
Internal UUID01a0ae85-b3a9-75a3-8d79-2b4d82f01e3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054224
StatusPUBLIC

Content hashes

Canonical text76a85d8c3594c3b44ba8747e157282b98bf70c52cb6884c79db0a9fd1b955c19
Markdown24e1aa6a2c85bcc024ad669563e1472c56aca98492548125178eb010f0c542bc
PDF
Publication page1c6904e6694d5ed4c0fb367947507c98dcb7dbe6018e5078e63dc1cafd7ac37f
Manifestb67fead2f42cb37b073b0257ded10e61c5a03b375cb72694f69749e2fa6df299

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8irzNYRpYodpHyTM1nmX9jesxZv/Cnz2W1rIYwJnpA2VeZ5MByXnRTG0WK3ctuGA+rgb1PTxLahKe5dDlTlqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-23T04:23:18.176174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224
observed 1c6904e6694d5ed4c0fb367947507c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-23T04:23:18.161116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224/manifest.json
observed b67fead2f42cb37b073b0257ded10e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-23T04:23:18.134804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224/publication.md
observed 24e1aa6a2c85bcc024ad669563e1472c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-23T04:23:18.084176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224/publication.txt
observed 76a85d8c3594c3b44ba8747e157282b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.343790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224
observed 1c6904e6694d5ed4c0fb367947507c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.324592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224/manifest.json
observed b67fead2f42cb37b073b0257ded10e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.304517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224/publication.md
observed 24e1aa6a2c85bcc024ad669563e1472c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:42.284975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054224/publication.txt
observed 76a85d8c3594c3b44ba8747e157282b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent