OpenTechnical

OT-2026-000070140

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000070140) never changes.

Identity and time

Publication numberOT-2026-000070140 · never reused
Internal UUID01a0ae91-1862-75df-8fc8-f73333a660c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070140
StatusPUBLIC

Content hashes

Canonical text266a94e770ea681d0b5a3d200baea8f8b0ba5f516a36dcbe9e4f4b853466e3ac
Markdown39a029cdee45fdbe8a11dce475ff78f8809cf4b273f25ba32f02d39d91fc9290
PDF
Publication pagef397f8a9b5d6dcfba60b6db48221af26a23a99c831875cd289c078ef2426223b
Manifest917e55490ec528676b0a9dd182837169a2ce9a8a1fd68f739cf384e4ffccabda

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
SignatureElhiGjGPmgfvmJWu+1TJKhyH4Gpgvi8dNOEEL3wEhAJxNTGj1q3aWMiEp4/d10XXpGa+aEuEGhMPdELq0NNxDA==
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

2026-09-17T10:27:11.009040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070140
observed f397f8a9b5d6dcfba60b6db48221af26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.991271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070140/manifest.json
observed 917e55490ec528676b0a9dd182837169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.972688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070140/publication.md
observed 39a029cdee45fdbe8a11dce475ff78f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.953289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070140/publication.txt
observed 266a94e770ea681d0b5a3d200baea8f8...
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.