OpenTechnical

OT-2026-000015339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000015339) never changes.

Identity and time

Publication numberOT-2026-000015339 · never reused
Internal UUID01a0ae6d-ef49-7511-bd6a-26901a3dba72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015339
StatusPUBLIC

Content hashes

Canonical texte176ec0ad4b736fa8fe145d7152cc6e8dc2d4a20a84817e5e122b6911aa34db0
Markdownf7bf260c8fe0a9a85b9b1eb47daab19d81d557e3ccfb9406031f93c9625ef02d
PDF
Publication page44e358322fe4b0b9de23d2d0325e1f18ebdc1d77e4c7a4686e8d326c1635d952
Manifest8095b1f4341ab53f5c8a458a0c88b4ac0199c6c75912fec5971b263f6b312862

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
Signatureh+iAn+TR+M9qsGeIVQmyfde7Z8pQsVtZySK2rnfML/igOBX/mqEWEnOIFVPXx23QqM5EOE9zAwbnx18Xdwr2Bw==
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

2026-09-17T12:06:02.532768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015339
observed 44e358322fe4b0b9de23d2d0325e1f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.514245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015339/manifest.json
observed 8095b1f4341ab53f5c8a458a0c88b4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.495458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015339/publication.md
observed f7bf260c8fe0a9a85b9b1eb47daab19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:02.476178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015339/publication.txt
observed e176ec0ad4b736fa8fe145d7152cc6e8...
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.