OpenTechnical

OT-2026-000076457

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000076457) never changes.

Identity and time

Publication numberOT-2026-000076457 · never reused
Internal UUID01a0ae94-6a71-7e3a-a4ad-739022a8c621 · 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-2026-000076457
StatusPUBLIC

Content hashes

Canonical text02ca15e13e0b26fbcaf3865bc65bcc5d1ea4d436902bc031838c77b425db542c
Markdownda0680658db07c4068e7db7de83a374b1f35991f9ea912c6b4311fd9901c3250
PDF
Publication page4399a29b29df8f4c34df8ddd2f65d589f66792be960cc96c88663231b5021335
Manifest51fb978785117099a02afcc58a35b3ad5f55a3d2dba1f056343a9cc54a73cd53

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
SignatureJK5/T4Tls8bmf3GA9tIXPEepGRafRf2BuH5hxMyS6GdhUFXXKjI9QzIie4bSXdcdF57VVh8Hnu3XRn+1d2NaAA==
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

2026-09-17T10:12:36.706279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076457
observed 4399a29b29df8f4c34df8ddd2f65d589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:36.566031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076457/manifest.json
observed 51fb978785117099a02afcc58a35b3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:36.049323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076457/publication.md
observed da0680658db07c4068e7db7de83a374b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:36.025826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076457/publication.txt
observed 02ca15e13e0b26fbcaf3865bc65bcc5d...
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.