OpenTechnical

OT-2026-000083497

Publication integrity record

Four cup vacuum gripper, four 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-2026-000083497) never changes.

Identity and time

Publication numberOT-2026-000083497 · never reused
Internal UUID01a0ae98-0415-716b-8b4b-28a54712ec5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083497
StatusPUBLIC

Content hashes

Canonical text0f7feef9f838a40b2f1c455644ccc2c4faf17693be6893e1e248e207e5fbb266
Markdown3f36b38d77642d8ff3399b2f8f6245e30f9a957c633fa75cd139243542e89ea7
PDF
Publication page8282c969257cb319d1083adf42478bb6b401b15fe27d9821c363cf25029a7495
Manifest4aab0f3dd227675bec90d86a9842f1ee6a07cdcb046b6d052c8d8e659e9561dd

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
Signature0EBQFuo/H565UqBDjRdBfmiasdbPqlt0C9kQJ2nper2HGoCmur0XULW5kHE8arYqteJvfDY4FN991zpN/5MdDg==
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

2026-09-17T09:56:28.337393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083497
observed 8282c969257cb319d1083adf42478bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.319756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083497/manifest.json
observed 4aab0f3dd227675bec90d86a9842f1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.302724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083497/publication.md
observed 3f36b38d77642d8ff3399b2f8f6245e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.285439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083497/publication.txt
observed 0f7feef9f838a40b2f1c455644ccc2c4...
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.