OpenTechnical

OT-2026-000015907

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000015907) never changes.

Identity and time

Publication numberOT-2026-000015907 · never reused
Internal UUID01a0ae6e-0c4d-7a87-bbf5-c9f2c2cabfde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015907
StatusPUBLIC

Content hashes

Canonical text075955695fc666fb1ce13251f47fd37764d217a498fd9540a7d434e9509909c5
Markdowncbf6a71a4843895fba17a2fdcc53969964e91b2b712821085a193fcb420fae47
PDF
Publication pagea9e51f10f63cb3eefcd8054b1c4b74f6517de040260b7fbbef2fc4f01988bdc5
Manifest9e03c0fc2570f7c7f39c4a4b77d7032c06d2554a3b8350151e8680dc309f21b2

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
SignatureWLH4dOhGxVFzt9DOUbePgB50nqKGCaAaFHGzU1kSBxYuVLez5jSDI8IIqVS01cRKkGheRZ98vt2Oh7AylNeNCQ==
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

2026-09-17T12:05:22.137783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015907
observed a9e51f10f63cb3eefcd8054b1c4b74f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.117689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015907/manifest.json
observed 9e03c0fc2570f7c7f39c4a4b77d7032c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.100630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015907/publication.md
observed cbf6a71a4843895fba17a2fdcc539699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:22.082097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015907/publication.txt
observed 075955695fc666fb1ce13251f47fd377...
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.