OpenTechnical

OT-2026-000076083

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076083) never changes.

Identity and time

Publication numberOT-2026-000076083 · never reused
Internal UUID01a0ae94-6a6e-7510-84bf-31196c3750fe · 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-2026-000076083
StatusPUBLIC

Content hashes

Canonical text622608cb9a378d56f00b8ef6c37399e6a71788cd2e5e52cc0751d015e634e8db
Markdowndc6b9053d1ce81c13cf5b3cf4bd9f115f237ff12c56cd357bd718177cfbd6404
PDF
Publication pagea1a34d27d826d124ce507548ef64a9fc5658075be99c54699276806dbca34958
Manifest17937a880d522bdc42591ec6c4c963f0ea86eaf8b01be4b660da9d4fc4521caa

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
SignaturefgYvOMNP+iIDTJW/DElulGercxI2M3QGH+H8P9D+gEr/t/XZN2EtyAWaEQvhVcLAprFa93xFI9LGUPL4+q+PDg==
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

2026-09-17T10:10:54.439107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076083
observed a1a34d27d826d124ce507548ef64a9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.793512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076083/manifest.json
observed 17937a880d522bdc42591ec6c4c963f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.774257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076083/publication.md
observed dc6b9053d1ce81c13cf5b3cf4bd9f115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.755168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076083/publication.txt
observed 622608cb9a378d56f00b8ef6c37399e6...
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.