OpenTechnical

OT-2026-000065253

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000065253) never changes.

Identity and time

Publication numberOT-2026-000065253 · never reused
Internal UUID01a0ae8e-1dfa-73dc-95eb-96bf15f08409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065253
StatusPUBLIC

Content hashes

Canonical text0f44f0638367239b2d0c3e19c04ec10f05e5c09a136f5f75306416c3cbc96c81
Markdownd8b1383ce7ad8e70c4d054e6c34abee49034a8a6bc3b8250117007d33f414829
PDF
Publication page4fcc7618fab531d7c3de9c1fe2763b714ce4b92492fc52d84b40b1df52abfc21
Manifest826e4274eae0f363ba856df092183f68ee85a01f8370b1fc881c5f7e55072efc

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
SignaturewU8gmSNdsQz2kie8emxzV+GIY10Sy+IFJbQ47e41dXN/7ik02lYV9Md7T9HypznpZ+TA5ClmUyKhtwjE2PypDA==
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

2026-09-17T10:35:06.930392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065253
observed 4fcc7618fab531d7c3de9c1fe2763b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:06.912951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065253/manifest.json
observed 826e4274eae0f363ba856df092183f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:06.896119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065253/publication.md
observed d8b1383ce7ad8e70c4d054e6c34abee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:06.879192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065253/publication.txt
observed 0f44f0638367239b2d0c3e19c04ec10f...
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.