OpenTechnical

OT-2026-000080550

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000080550) never changes.

Identity and time

Publication numberOT-2026-000080550 · never reused
Internal UUID01a0ae96-7e79-7ee3-ae65-aa627a4db816 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080550
StatusPUBLIC

Content hashes

Canonical texte117cdf0c88f71d95c386f7234925465436a80e902ce94579cc112fa34b3ed8f
Markdown0125dc1a57636b9c837a75f7607a2b0c097e641d09d80ee65f0bf747d1b7f896
PDF
Publication page4435bb0abaf8f3b11ca84f52567336ff3f5c0d88f5cf73930217a73b1046af18
Manifest05a07169e8ea4f7a4711ab126e54b38426b5c0eeff7f5101aa3e156ed4a68686

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
Signaturedqq9ptzOr4Tzr+ra8SyrvON6t2w1YH4z4x9esHs/w3ANMRMD+iu7jI1TyM6mUkzCEZbkUm5a/BBZYmBDwS4VAw==
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

2026-09-17T10:02:35.259486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080550
observed 4435bb0abaf8f3b11ca84f52567336ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.228038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080550/manifest.json
observed 05a07169e8ea4f7a4711ab126e54b384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.209171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080550/publication.md
observed 0125dc1a57636b9c837a75f7607a2b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.182265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080550/publication.txt
observed e117cdf0c88f71d95c386f7234925465...
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.