OpenTechnical

OT-2026-000076875

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000076875) never changes.

Identity and time

Publication numberOT-2026-000076875 · never reused
Internal UUID01a0ae94-b070-7c27-a872-2c6e7889ac32 · 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-2026-000076875
StatusPUBLIC

Content hashes

Canonical texte9c7435df6350590a9b1ed609fc539b0e8c71dde38e5f87e63f7e3dea0fc1d14
Markdown3667af9a53cef17d91b2c5a6b64a842992d18766c8e3c5ef1ce0571fecf87b97
PDF
Publication page650a4e2699852718e19d3278679643d8fa00c32b90fc3b0fcb6dab221d59ed1d
Manifest58935ffa5e728d9d3c93c33c38ba00388cf13914b62068f0b4fd0a70214568de

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
SignatureTBSLx/jISdxCbBrR8j3LGVcqrfgT55scWVb9MeegUrMmllU8yHpr1oMeK5/YxgT/BbYQxXxRyrWqOOS4O9G1DA==
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

2026-09-17T10:09:46.517040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076875
observed 650a4e2699852718e19d3278679643d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.498811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076875/manifest.json
observed 58935ffa5e728d9d3c93c33c38ba0038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.480200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076875/publication.md
observed 3667af9a53cef17d91b2c5a6b64a8429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.460011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076875/publication.txt
observed e9c7435df6350590a9b1ed609fc539b0...
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.