OpenTechnical

OT-2026-000030550

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000030550) never changes.

Identity and time

Publication numberOT-2026-000030550 · never reused
Internal UUID01a0ae73-e505-7115-8878-518a94eb21e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030550
StatusPUBLIC

Content hashes

Canonical text6829c3a572b9dfd238966137d236800e365e6113a38619a5c64d812a295799b0
Markdown8797dfef3daa21272ab2391cdbb7a90d82102a2d866cb29168a3337eadf9a2a4
PDF
Publication page40ee67cbf748eae40711960ae6d65573a84a979f377348d6b8e9ea2ed61fdea5
Manifesta827617321df0b450b96856720f628ecdb7ecca1130be6b63be963e622f60d58

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
SignatureZlzcX6LTPbRPrSWrn7O+OqL0Ibwodr6gJzvMmFTFLFvHq9pTZJ9OOhLZhrZ0NJHw47nCJF6Lmr8Z9ZCAXmXcAA==
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

2026-09-17T11:38:25.143912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030550
observed 40ee67cbf748eae40711960ae6d65573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.127971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030550/manifest.json
observed a827617321df0b450b96856720f628ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.109384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030550/publication.md
observed 8797dfef3daa21272ab2391cdbb7a90d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.092976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030550/publication.txt
observed 6829c3a572b9dfd238966137d236800e...
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.