OpenTechnical

OT-2026-000012065

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000012065) never changes.

Identity and time

Publication numberOT-2026-000012065 · never reused
Internal UUID01a0ae6d-1943-7335-ab5a-7196a0acd33f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012065
StatusPUBLIC

Content hashes

Canonical textccf2d1f66841e0c549c7b4958bd8ec8f9aa09ae5188aba002219550be4b8d550
Markdowna382c83176f8cdf631a04c0b085e319367e5e90914ec1338e8c746b12cd8a762
PDF
Publication pagebf844dfa40ed034a2a8ce88dc9d079257ea218abc136cce5df0962123ece4762
Manifest98ae31f117abc2066b92826ee71b24bd01a7ef76de5554bb42b4c42efc23c811

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
SignaturetusHFwOBdUHorCoRKW0nexXI93FJPYL0QBIBoa0BUnqNHmVU4Gdnou4VSLGuKrypLm+R6TP/1ypyGIM2nBF9Dw==
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

2026-09-17T12:12:56.908597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012065
observed bf844dfa40ed034a2a8ce88dc9d07925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.889773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012065/manifest.json
observed 98ae31f117abc2066b92826ee71b24bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.873296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012065/publication.md
observed a382c83176f8cdf631a04c0b085e3193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.854652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012065/publication.txt
observed ccf2d1f66841e0c549c7b4958bd8ec8f...
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.