OpenTechnical

OT-2026-000050245

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, vented 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-2026-000050245) never changes.

Identity and time

Publication numberOT-2026-000050245 · never reused
Internal UUID01a0ae82-5c46-70f7-a930-7ceac81dd1c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050245
StatusPUBLIC

Content hashes

Canonical text108fe73b2b874e96bc0be210b0e01e8c606ac023b99b4199f267bd07e8bde532
Markdown48a4c4c82118ebd49bf322fcce56f6e619a1ac47b94cf1641b85ee539823eeb9
PDF
Publication pageeef3351836dfb3fc3e5f20f1af2dcad8a2c3504f3926aadb37199098dc3c377f
Manifestd4c7598bc7bec4b8027507593c12fcaf4b192bfedbc73d0a5f708db14c5bbe7d

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
SignaturelSA53NLFkJbVjUqlGz6ynUhDwwMOJEf0kdryjL5E4xr8//j9c0iM6qpt25dll2o2SGOMSEL8Vo7j/y+ccRfEBQ==
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

2026-09-17T11:01:14.537128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050245
observed eef3351836dfb3fc3e5f20f1af2dcad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.520203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050245/manifest.json
observed d4c7598bc7bec4b8027507593c12fcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.503266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050245/publication.md
observed 48a4c4c82118ebd49bf322fcce56f6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.485724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050245/publication.txt
observed 108fe73b2b874e96bc0be210b0e01e8c...
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.