OpenTechnical

OT-2026-000085845

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, sustained 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-2026-000085845) never changes.

Identity and time

Publication numberOT-2026-000085845 · never reused
Internal UUID01a0ae99-e829-7cfa-8681-99007e769cbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085845
StatusPUBLIC

Content hashes

Canonical textae282815fbdea220e20c0ed2c1c25260bd07abb4b4fd98f9a2162ad3a7de08fb
Markdownaf616d4924ceb6beb7e0f525b12f0c7dc2d8d394a6562a5296b45f54606b73d6
PDF
Publication page81a46decb15afe5106e4567df720cf2c9a57689ccc714dc07515c0b36c82face
Manifestcdd9cbc76d6d22d153bbf3070790e086e4fa47c35fe3dc6b78c4217e96df6d23

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
SignaturebxQHrMCV+d+HZU8NKT7Fl9Iu0Rh1qGlJbH3lQFSr5T8+azNYg3bDiZBu85aBugzcwp/V5Sakqp4djOstB/asCg==
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

2026-09-17T09:52:46.269903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085845
observed 81a46decb15afe5106e4567df720cf2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.253023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085845/manifest.json
observed cdd9cbc76d6d22d153bbf3070790e086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.234817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085845/publication.md
observed af616d4924ceb6beb7e0f525b12f0c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.217363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085845/publication.txt
observed ae282815fbdea220e20c0ed2c1c25260...
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.