OpenTechnical

OT-2026-000085949

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085949) never changes.

Identity and time

Publication numberOT-2026-000085949 · never reused
Internal UUID01a0ae99-e82a-79b1-b97a-992c9ad26d35 · 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-2026-000085949
StatusPUBLIC

Content hashes

Canonical textdc02938110b47159bc419fdc19720c19a173478ccd0485cc784404a824c0680e
Markdowne8aaae0b71561ba8caf696b84cc316c8be4472c3880f944a5fdd795d366d333a
PDF
Publication page251815a29482aa6b65927efdb34d4dee78df8c22ed39e62f4ace3ca46b43ccb4
Manifestc57ec7d0ef12b641f1ad60e8e56c8930fb2a41f08d3ac948e5489af99f01a51b

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
Signature7X+sMpwokq1fjRFRViHjiokaLB0Bhb/OobKO7ckny/UqoL9DMd8aBp73GD3UrtdtINd88NNGA/wqgRUi9Q51Cw==
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

2026-09-17T09:52:54.501815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085949
observed 251815a29482aa6b65927efdb34d4dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.484290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085949/manifest.json
observed c57ec7d0ef12b641f1ad60e8e56c8930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.466430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085949/publication.md
observed e8aaae0b71561ba8caf696b84cc316c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.449855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085949/publication.txt
observed dc02938110b47159bc419fdc19720c19...
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.