OpenTechnical

OT-2026-000023961

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000023961) never changes.

Identity and time

Publication numberOT-2026-000023961 · never reused
Internal UUID01a0ae70-aed6-74cc-9ad8-ec449550aefd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023961
StatusPUBLIC

Content hashes

Canonical textccac3e15348765a4c0a2345426b3f396303dbc26af14a15f336ac287747ad92f
Markdown77da6e121499cae809e0b5b911d706d419d7ebdded2719f6078ea20c7c643056
PDF
Publication page600dae4c0faa4f54900d6a5cda056b5211b15ff51267294fc4f53542c0483b1e
Manifest1637c6be82a64fc551e2afc39d6e538ad52d0f3329815c42961568730ab98668

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
SignatureTwhJHnBIwqnhxVWV6xFgqjkTqm4KvodBxqQumGBuEGlUV9XZ4fvOLuwSrofq6XtB3a79j2YMnp6LAlUxI04NAA==
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

2026-09-17T11:50:42.917540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023961
observed 600dae4c0faa4f54900d6a5cda056b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.896146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023961/manifest.json
observed 1637c6be82a64fc551e2afc39d6e538a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.874544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023961/publication.md
observed 77da6e121499cae809e0b5b911d706d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:42.853892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023961/publication.txt
observed ccac3e15348765a4c0a2345426b3f396...
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.