OpenTechnical

OT-2026-000076951

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000076951) never changes.

Identity and time

Publication numberOT-2026-000076951 · never reused
Internal UUID01a0ae94-b071-7843-9636-0fb76a1e4a65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076951
StatusPUBLIC

Content hashes

Canonical text1e7fa3d6ca0c91143c99961f974e5a2089c78c6cfa39455ec3ca1a8c560a390a
Markdown1c5b0c5276e065857f2d7f2dbcacfe742b9d21099b0d742be82bb17b91a94d22
PDF
Publication paged5c0feb6537905fa236d2a8681613986be0d8eb13890ed7b852b9914541fb235
Manifestdfc12a25c65eb8a8dbd10afd821a7302ac914fc844a876acf1551ce71a75512b

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
Signature/3mPvVV8vYer/C6eQ2k3TgC/QmyH+9l833ugF79CD+aRxOaSLYv548z5oGZNLUzHvBh7mjssKAaq1bHAMhaODg==
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

2026-09-17T10:10:07.279711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076951
observed d5c0feb6537905fa236d2a8681613986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.259447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076951/manifest.json
observed dfc12a25c65eb8a8dbd10afd821a7302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.236737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076951/publication.md
observed 1c5b0c5276e065857f2d7f2dbcacfe74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:07.216166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076951/publication.txt
observed 1e7fa3d6ca0c91143c99961f974e5a20...
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.