OpenTechnical

OT-2026-000085556

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085556) never changes.

Identity and time

Publication numberOT-2026-000085556 · never reused
Internal UUID01a0ae99-aaac-764f-90e4-6bdebbc02e43 · 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-2026-000085556
StatusPUBLIC

Content hashes

Canonical text1105a3ea52f9e1a35d4837d14dd36ded407f90a4a3a19a3c69a9db4e28dd0dba
Markdown4300736318a72333a641fe25d0942a663c0419f8461e98cc34fc04b5ec06913c
PDF
Publication page481a299a40899e1e131148f961c80d438384317fbc637e35229b1e1f0e5a6d92
Manifest6fe07f2c4deeaeca4a45f3e8aded7eb07272e1d88b02032ec702438f10ec40ff

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
SignatureIfBZWXjTGFNDZQKZEJpLvR5v2t+rwwwFG8+i8x1ZNZJH3jycittxCqqwvpDqintkLCI7PAYo1Ec/nitLj4rbAA==
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

2026-09-17T09:54:22.620476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085556
observed 481a299a40899e1e131148f961c80d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.603826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085556/manifest.json
observed 6fe07f2c4deeaeca4a45f3e8aded7eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.585899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085556/publication.md
observed 4300736318a72333a641fe25d0942a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.567181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085556/publication.txt
observed 1105a3ea52f9e1a35d4837d14dd36ded...
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.