OpenTechnical

OT-2026-000005945

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, contact triggered

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-2026-000005945) never changes.

Identity and time

Publication numberOT-2026-000005945 · never reused
Internal UUID01a0a94a-0c6c-79d7-919e-0e43e5deb9eb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:37.487586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005945
StatusPUBLIC

Content hashes

Canonical texteb69ecdaf7fa650552c9c2838d51aef2cd8fbbf846032ce4790b4cccf8fa5289
Markdownd24c2c851ca2ee08f835407d6d2e2894ee7db5b05ffe934d054dab19f2114755
PDF
Publication pagea45863447268dec20c4d7fab75f55d9e8a41bd9b9fd44ba51fc00e064910e022
Manifestcaad26244cfb24fba3b3c3802d875eae8da84440cafbd00ba665d900a336557d

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
SignatureZwtSvdQMZ/hCUd5MZcN2uPvOjP8mALweiPi+uefEnfSl48DyZu/xJlrXdD2s2Ngb+l2u3LlQ59JGov9fvBEoBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:14.403503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005945
observed a45863447268dec20c4d7fab75f55d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.389367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005945/manifest.json
observed caad26244cfb24fba3b3c3802d875eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.375476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005945/publication.md
observed d24c2c851ca2ee08f835407d6d2e2894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.237201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005945/publication.txt
observed eb69ecdaf7fa650552c9c2838d51aef2...
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.