OpenTechnical

OT-2026-000016638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000016638) never changes.

Identity and time

Publication numberOT-2026-000016638 · never reused
Internal UUID01a0ae6e-5918-72df-bb27-7e0f2c996e27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016638
StatusPUBLIC

Content hashes

Canonical text801144f9f9e183ecec459f8afdfc8fa23e5bdebf81eac9f2ac1d72d905292ea7
Markdownaa144d891ecb2f14cf22e264e22b067f3359013fd037f221365d6e13d409bf28
PDF
Publication paged4acbf0a08748b3d679d335c0fbb6035da2ca6aac3402ae38e16b70fdd6912fb
Manifest0357cb77de5a5d8e615381fc4340669c0c9518162d675f591ebc2c146625b838

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
SignatureAhYWwTyl/+qufO9eoDtjERyoP3b1kw9Gu05JuwECdD0bs3aFBL8xkRXXQvw/CMi4b2HuL0fZC2otq8g7dJa5Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:02:49.940463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016638
observed d4acbf0a08748b3d679d335c0fbb6035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.922368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016638/manifest.json
observed 0357cb77de5a5d8e615381fc4340669c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.904038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016638/publication.md
observed aa144d891ecb2f14cf22e264e22b067f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.886233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016638/publication.txt
observed 801144f9f9e183ecec459f8afdfc8fa2...
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

Custody packagePending Custody packages are produced weekly.