OpenTechnical

OT-2026-000085451

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000085451) never changes.

Identity and time

Publication numberOT-2026-000085451 · never reused
Internal UUID01a0ae99-aaab-70c9-bc5c-0106a5dbffcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085451
StatusPUBLIC

Content hashes

Canonical text209eb66f1276661a7c00e4ceaffaa9e47dbda6a04f915d541b1fbce3001a2f89
Markdownbfd604c6d9532718731ec8ee4d0f58b58d7716a9c46c88db5ea96e57512888e6
PDF
Publication page07974337e05ee64b4392f82a8b3394fc7d688be16bb8d158b54f2ef757369009
Manifest76125756e455a91bb0add8165c42c1cd6656a2d367d60b9436d2ff7ba412e5b9

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
SignatureZja0ER7iqd8+pM2EJbDFMfzsN4tqM2yNQBPvnMI+h0MppjuLORJpmTisnkkHEQIgE1iiugpMRhAHnK/fjZF9Bw==
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

2026-09-17T09:54:14.360564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085451
observed 07974337e05ee64b4392f82a8b3394fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.344384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085451/manifest.json
observed 76125756e455a91bb0add8165c42c1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.324780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085451/publication.md
observed bfd604c6d9532718731ec8ee4d0f58b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.307496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085451/publication.txt
observed 209eb66f1276661a7c00e4ceaffaa9e4...
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.