OpenTechnical

OT-2026-000089404

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089404) never changes.

Identity and time

Publication numberOT-2026-000089404 · never reused
Internal UUID01a0ae9b-db01-7bdd-b14a-49f2e86f2709 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089404
StatusPUBLIC

Content hashes

Canonical textc7edb60031666026c1297ed4d39978cb107f121dfa067a18a95a398aa87ce065
Markdownb0caedb279481cb6231c36e42ac623cc3679ddae9e15837469c72fa264058b85
PDF
Publication page755e7497adcf492363df63d63559414f0177868de05e559bc14b75b4a8074f0d
Manifest1dbd5acfdd0b4f0b0a8fbdafcac6488f2e7fa02894b916e3d03f558b298b23a9

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
Signature8Qce/pb/Ja2sf6++N/o8GRHlFT6Ppu2Xs6efbPxApBMyfWYIUFdDKxMw56fTdXISvvQbcIllps+QExWAtleuDQ==
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

2026-09-17T09:47:32.679081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089404
observed 755e7497adcf492363df63d63559414f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.662005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089404/manifest.json
observed 1dbd5acfdd0b4f0b0a8fbdafcac6488f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.645289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089404/publication.md
observed b0caedb279481cb6231c36e42ac623cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.629142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089404/publication.txt
observed c7edb60031666026c1297ed4d39978cb...
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.