OpenTechnical

OT-2026-000085675

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, sustained 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-2026-000085675) never changes.

Identity and time

Publication numberOT-2026-000085675 · never reused
Internal UUID01a0ae99-aaad-789b-a105-1c15921eed58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085675
StatusPUBLIC

Content hashes

Canonical textde22cb411483e78ce3bfd20cb963f4d70cc039da88ad6854ea858a46b1942d3e
Markdowna1606a34743cc944bbf01e14e2184b50254b855037b5d8508f0ae44d769b5d98
PDF
Publication page4ceb981fb01e0ee0b0869ab38916281243873613480d3e7d5dae4ec267b5eefe
Manifeste7e7c7334ab23055bc8ba90e77dd26fceb276fd92062eeea4a3712d0a2549d98

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
SignaturekdlBDdZIYVBfdXR1243LxousE3vNe68aS5igsFinApE+4vKsixD3ETZz7uvM4betKljsSxWaQ18bKF4HmJpLAw==
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

2026-09-17T09:54:34.259407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085675
observed 4ceb981fb01e0ee0b0869ab389162812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.237144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085675/manifest.json
observed e7e7c7334ab23055bc8ba90e77dd26fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.218621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085675/publication.md
observed a1606a34743cc944bbf01e14e2184b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.199937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085675/publication.txt
observed de22cb411483e78ce3bfd20cb963f4d7...
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.