OpenTechnical

OT-2026-000076351

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076351) never changes.

Identity and time

Publication numberOT-2026-000076351 · never reused
Internal UUID01a0ae94-6a70-77bf-bd5f-96e2662482e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076351
StatusPUBLIC

Content hashes

Canonical text31d30472aab8c9c209448db1180179f8018c3790f4cce107b88096d98c61880a
Markdown7548db604ccf1e0080aedede7747fc8e934a17b0026ce7b05f27bae1c60acdc5
PDF
Publication pagea07cb8e1ce131530ca0cb15f00a4a2213fee0e93ed7865f2e88c0f853c813281
Manifestfd8369b059495a04b142974bbdd207bbb679a0431945ca1575e3204b271fa0df

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
SignatureFkG13RVhnEblQIuhNmiKVfaETFe8nXcLWhB/p1FFS7coCjd9cTglPahQ6ua7ZtJbbCJ2UcclO7nbvX0LLn0jCA==
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

2026-09-17T10:12:12.799998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076351
observed a07cb8e1ce131530ca0cb15f00a4a221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.781241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076351/manifest.json
observed fd8369b059495a04b142974bbdd207bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.763139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076351/publication.md
observed 7548db604ccf1e0080aedede7747fc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.745199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076351/publication.txt
observed 31d30472aab8c9c209448db1180179f8...
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.