OpenTechnical

OT-2026-000023766

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000023766) never changes.

Identity and time

Publication numberOT-2026-000023766 · never reused
Internal UUID01a0ae70-aed5-77ab-a1a7-a08bee32b63c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023766
StatusPUBLIC

Content hashes

Canonical text7394ccd5e70488368443ccd2e0a549e17ac498b0fc700d9a5d47bd039f0f143e
Markdown34d599fa4fa34ffc1c80bce7817985c1f8851d4a13371d12dcc6565361b87919
PDF
Publication pagee822f66aa17627970d8e46add3ad0f44669d2e0d11baaba8a36c4fe5a9f23f8d
Manifestead573204f5506ad709aa6e1ba432aac52e15613ba773d9f3177aa6ec4cd6303

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
SignatureMkhvI7Ntcj18KC/RYkRa8LrBPAiYzBjjAaQyV6Jrtq/Ztw7ftIaGJ6kqG/rGCsapwbtAigH8DqrY0g4Wy+LWBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:13.744332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023766
observed e822f66aa17627970d8e46add3ad0f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:13.725233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023766/manifest.json
observed ead573204f5506ad709aa6e1ba432aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:13.707366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023766/publication.md
observed 34d599fa4fa34ffc1c80bce7817985c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:13.688037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023766/publication.txt
observed 7394ccd5e70488368443ccd2e0a549e1...
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.