OpenTechnical

OT-2026-000097562

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000097562) never changes.

Identity and time

Publication numberOT-2026-000097562 · never reused
Internal UUID01a0aea1-92f1-78dd-9ba5-719ef0afd979 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097562
StatusPUBLIC

Content hashes

Canonical text832d0ff5a2fa14b3bd0d0ebcd7fa88736539e72d24157a0af7ec1a2fc03178ca
Markdown7fb1278377b66dc102e49a7f7d09d86819080a73884619e9f50c81faa50b6a82
PDF
Publication pagee9e089b7d0be4b665c5375a1d98eb76f00ce6838d96016c24358a4361ad0ef73
Manifeste196d053224ea35cb21017142b8e7ba9b73b65fefbcfc0a9b3c892abbf20db1a

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
Signature4WaxnKvBt9RMDmFDDRxDRMVZOWICr/ArfdKDBi0N+BXm5+pwkdN1/L0w7kJTdBs2qB+bmac+O+9Vt2t9DGfoDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:28.323207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097562
observed e9e089b7d0be4b665c5375a1d98eb76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.304555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097562/manifest.json
observed e196d053224ea35cb21017142b8e7ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.287862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097562/publication.md
observed 7fb1278377b66dc102e49a7f7d09d868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.270517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097562/publication.txt
observed 832d0ff5a2fa14b3bd0d0ebcd7fa8873...
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.