OpenTechnical

OT-2026-000078383

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078383) never changes.

Identity and time

Publication numberOT-2026-000078383 · never reused
Internal UUID01a0ae95-7c28-716e-a849-f416c6cb935a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078383
StatusPUBLIC

Content hashes

Canonical text3cb4c2a86dcf624267ce3840213c6485e8a50af05ce753b6259de61fbdfc3813
Markdownfebbd6a473696ace20a6cde0a9817bc46479a5bb5e760327b397c8a86887ec99
PDF
Publication page0f592d9ee77644194173527e98fa598751f12afceb2708aea1cc0e5276700dc6
Manifest7336ffdadee49dadd8a6816fff4d85d158ca9586aaf90e615782d68a0698a762

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
SignatureWrsZIWNXVjDUZ6cr7GJnI1sdsvEtoPW8X0FnUqGzCfAObF3XuEfmf0IU4an1V5Bp5gdUU7ho5ihreKJ3F0l4DA==
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

2026-09-17T10:06:21.371023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078383
observed 0f592d9ee77644194173527e98fa5987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.353286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078383/manifest.json
observed 7336ffdadee49dadd8a6816fff4d85d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.333917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078383/publication.md
observed febbd6a473696ace20a6cde0a9817bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.317528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078383/publication.txt
observed 3cb4c2a86dcf624267ce3840213c6485...
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.