OpenTechnical

OT-2026-000067285

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000067285) never changes.

Identity and time

Publication numberOT-2026-000067285 · never reused
Internal UUID01a0ae8f-6bd6-7a50-bbab-7669fdb64fa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067285
StatusPUBLIC

Content hashes

Canonical text204e0a924222629dda1b9a744982154fb371009d3f0887229d50d61f086fe4b4
Markdown6f9b7c78cdb7e4ca4b1ae3bf3f41e8dc754083de0b18d11d2e891e0f0ce3721c
PDF
Publication page90ab947aec710c034abd337c9b1d9dc0f9bcd082b7ba3ede7c71a508a4869b67
Manifest16119841ac3c558ab41c9cb12033a3f067fe608a50d01df0547607c0673d17a3

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
Signature4mixWHVJbOg9OBN2eCGM7noDswwLC/ndo9c/VsBVw82S6D68EVaR8oQxQX2xDVn29R0StlKIAaHps0bJHYlSBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:58.149390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067285
observed 90ab947aec710c034abd337c9b1d9dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.131892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067285/manifest.json
observed 16119841ac3c558ab41c9cb12033a3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.115179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067285/publication.md
observed 6f9b7c78cdb7e4ca4b1ae3bf3f41e8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.096997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067285/publication.txt
observed 204e0a924222629dda1b9a744982154f...
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.