OpenTechnical

OT-2026-000081975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000081975) never changes.

Identity and time

Publication numberOT-2026-000081975 · never reused
Internal UUID01a0ae97-0f77-7263-b6ac-53815680ed88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081975
StatusPUBLIC

Content hashes

Canonical text4f3a6e20fb31b6cb3a2194e47b6ed82a36ffbaf3137da160a9bbbb118260d75c
Markdownbd5a20906f24263894608c7bfa5c99812f96e9224372b8c0ed3a29943cd06c05
PDF
Publication paged2b423754419b71278c23a194522751c1acddc89946c0f1f3096b033345385f4
Manifestb2425a7e4fbaf6e3d0fcf6d5e63da7769a05fb8ebf3f7c92a66fd27c452b2618

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
Signatureiqcqsd31wL0rX8ZtWHrreBW/336sHr4e07NF7C98gN5LJERAcFdfakbvcuWliKesYtztQjUiNSoJ/2Qzwi7dAg==
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

2026-09-17T10:01:06.871876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081975
observed d2b423754419b71278c23a194522751c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.854349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081975/manifest.json
observed b2425a7e4fbaf6e3d0fcf6d5e63da776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.837034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081975/publication.md
observed bd5a20906f24263894608c7bfa5c9981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.819887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081975/publication.txt
observed 4f3a6e20fb31b6cb3a2194e47b6ed82a...
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.