OpenTechnical

OT-2026-000092780

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000092780) never changes.

Identity and time

Publication numberOT-2026-000092780 · never reused
Internal UUID01a0ae9d-b600-72d4-8493-5e8037785504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092780
StatusPUBLIC

Content hashes

Canonical text0cd5ff30394b18ad5fa1ccaa2544000bc8544f73f2f2f3b524bfda8b214d76bf
Markdown3cbe5e794782c1cacd944a52c8fdc7e1212fd4dc7d7520ff46ef728938dbf5cc
PDF
Publication pagef559c59d9169cca1671fe770b00cf451c4d07946e6c82e04b2cdddef7f7296ef
Manifesta6685bd1760e626095a4a8c6dff0922921de7ed63697a21a1f6b56f7e1dd04ad

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
SignatureScLcFXabFpr4497nK20g20DlSy+WnM4o40/FnWdH3/JSHppeBRzAILWerObPmZs3t+XOWufZtx6sk2RqtTCXBQ==
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

2026-09-17T09:41:24.953935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092780
observed f559c59d9169cca1671fe770b00cf451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:24.935420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092780/manifest.json
observed a6685bd1760e626095a4a8c6dff09229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:24.918465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092780/publication.md
observed 3cbe5e794782c1cacd944a52c8fdc7e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:24.901695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092780/publication.txt
observed 0cd5ff30394b18ad5fa1ccaa2544000b...
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.