OpenTechnical

OT-2026-000043356

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000043356) never changes.

Identity and time

Publication numberOT-2026-000043356 · never reused
Internal UUID01a0ae7b-327e-7af3-a3e4-a264f7fecb8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043356
StatusPUBLIC

Content hashes

Canonical text67470c891391bf550dade63715b4155ec2ecc4d90a4ed78257bd2fd5b974b813
Markdownec14432609812dbe3fd09c3aecf7f1ac8d17ac7ad36a7d14bd7d4e755c13110c
PDF
Publication pagea132ff9e12c126c40e1fe3e262ad742266f9017c25e36e524284a29072f7c486
Manifest46bfe51d7a998d18c5c8e0b7c0aa8f6e34d0e5e9f39ec15ca6fc2eb8508dcb86

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
Signaturer1T4gcMzmoiEJjX17GnfRRg44X0akiUK41oQsX2d2Qr+zK/esoo3y31AEkjY6dv3MX/miXFf2PZLArL/BE/NBQ==
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

2026-09-17T11:13:52.477553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043356
observed a132ff9e12c126c40e1fe3e262ad7422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.458472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043356/manifest.json
observed 46bfe51d7a998d18c5c8e0b7c0aa8f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.439659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043356/publication.md
observed ec14432609812dbe3fd09c3aecf7f1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.420808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043356/publication.txt
observed 67470c891391bf550dade63715b4155e...
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.