OpenTechnical

OT-2026-000092887

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line 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-2026-000092887) never changes.

Identity and time

Publication numberOT-2026-000092887 · never reused
Internal UUID01a0ae9e-090e-746c-8862-54ed58612943 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092887
StatusPUBLIC

Content hashes

Canonical text27c7ffb0126bc5bd054e9c6f082815dfadbc2f8a2bed24628de7a06d13c4b469
Markdown06d4353fed161c40b1c1bfebc48a9aeac536f99b92b8df9a9f1e44b3ad9bd8aa
PDF
Publication page1a4406ac913224debe633540a820f9719492f955765d0b82b396c48055e6d4c2
Manifest473cb1a0c8de0136bbc549e07cecdee403158109b5d61dccf947a5fea1d8d8fc

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
SignatureGe3zwIM/WHN/kXtted89wCPGaNYmXZjoW7UJIVirMmaVq8fq6X60A/HMZ9zKUwdHrxwDA3UhMWLy6xB3F+9tAg==
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

2026-09-17T09:39:59.822003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092887
observed 1a4406ac913224debe633540a820f971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.804187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092887/manifest.json
observed 473cb1a0c8de0136bbc549e07cecdee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.785693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092887/publication.md
observed 06d4353fed161c40b1c1bfebc48a9aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.766793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092887/publication.txt
observed 27c7ffb0126bc5bd054e9c6f082815df...
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.