OpenTechnical

OT-2026-000022979

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000022979) never changes.

Identity and time

Publication numberOT-2026-000022979 · never reused
Internal UUID01a0ae70-46ec-7db8-9a3f-b06b65b20c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022979
StatusPUBLIC

Content hashes

Canonical text7f613789a13f858712344d006287ea87983251db91bf78a6674e3c0c6698ea93
Markdown3c61e0c3c3dcfe23ec7a55345f35d870e613cc51dfbeae9120719257a7307bc2
PDF
Publication pagee1654fbf70a0f5ebc260d72d04b7e9acfc5e8423ac2aec48b564aa18d4815c41
Manifest70feadb88b82bf8d347adf592f003f6c28afe439ecccbc0dfba7c26734514c21

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
Signaturef+fxqJRyHkKOwi7crW3ajWzZvnawKdbAy9GaP9L5QX9y6Eg0kJUjYXCq15d31BrN7M4/QCYI1PvtndxzbQCnAg==
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

2026-09-17T11:52:34.157327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022979
observed e1654fbf70a0f5ebc260d72d04b7e9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.138629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022979/manifest.json
observed 70feadb88b82bf8d347adf592f003f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.117671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022979/publication.md
observed 3c61e0c3c3dcfe23ec7a55345f35d870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.100304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022979/publication.txt
observed 7f613789a13f858712344d006287ea87...
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.