OpenTechnical

OT-2026-000075488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000075488) never changes.

Identity and time

Publication numberOT-2026-000075488 · never reused
Internal UUID01a0ae93-f202-7612-84e0-6c1d4179b49d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075488
StatusPUBLIC

Content hashes

Canonical textfb3e4413fde24c746b79df8b7629c8451edc5b7fcb1dc68476ade8fec7cb4357
Markdown1ec8070b3e31f5585c2d84e12fed986a24279ad679199c351d0fa6fc65482bbd
PDF
Publication page0e11501ed5d3256d481d6cf30cdef5c0a55fb16ed3ab4c1b153a6ed4c10c1206
Manifestc6c4ec424e5ba8e19dc5279bf188306c58694e7da55c347e197b8b012aadb0f9

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
Signature2ZvA01H9Fz9qMt6xjIBAtGygwVrHk41sVbaMOkK8Ey3w37L1VXLvmtrzsVnkbPqkXumOPozHH1lKCX7XCK9tBw==
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

2026-09-17T10:17:51.744892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075488
observed 0e11501ed5d3256d481d6cf30cdef5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.725989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075488/manifest.json
observed c6c4ec424e5ba8e19dc5279bf188306c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.705986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075488/publication.md
observed 1ec8070b3e31f5585c2d84e12fed986a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:51.561851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075488/publication.txt
observed fb3e4413fde24c746b79df8b7629c845...
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.