OpenTechnical

OT-2026-000076373

Publication integrity record

Foam pad 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-2026-000076373) never changes.

Identity and time

Publication numberOT-2026-000076373 · never reused
Internal UUID01a0ae94-6a70-7417-af9d-854d7ee1ca83 · 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-2026-000076373
StatusPUBLIC

Content hashes

Canonical text2ee125366c46f6ac95e567b27cc72c23407d0c19def3be49db650b9f49f8251e
Markdown1f8fd68391786e748c7cc1974d3d2cdda0ac503bfad3df9cdb5a4099a06a2b0d
PDF
Publication page4bbe66f315a4937daf01913e34f7f13ff8a742110e9a694b1c0f50e0690d2a62
Manifest98c48aec3dc0c6f9c92978c4278ac16e8f08bbad0452c62e2b920416c7471904

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
Signature09Oi8zZFoTBLwB1TpgRjJwSNBIUEck9/jS1oudxIHfIcz3UWGlRAibWCbQrSMXQ+XH6m3Ap8dqyyYygrsuBQDA==
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

2026-09-17T10:12:14.591293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076373
observed 4bbe66f315a4937daf01913e34f7f13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:14.572003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076373/manifest.json
observed 98c48aec3dc0c6f9c92978c4278ac16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:14.550736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076373/publication.md
observed 1f8fd68391786e748c7cc1974d3d2cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:14.529773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076373/publication.txt
observed 2ee125366c46f6ac95e567b27cc72c23...
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.