OpenTechnical

OT-2026-000086275

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000086275) never changes.

Identity and time

Publication numberOT-2026-000086275 · never reused
Internal UUID01a0ae9a-2c95-7da1-852f-e0afcfb79569 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086275
StatusPUBLIC

Content hashes

Canonical textb0dfddd2a35a3cae116587728aabc51cc2f827aaf43a7ac5fb4d64011c41e0c0
Markdown0ebe9cb729d7fd2308c0ca1d279107f964c93c4bb1681ac1a6ade5cafe7694bd
PDF
Publication page0bda6960c0f965a0942f49631c7cdd7d7ad487d4959b50f5cca5a6821865a0ef
Manifest041d6ead333aebec62d0be980693edea2b196c5e9f13d98b2372cd4129b8fa7a

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
SignatureYX5gU4M+Qotxbx1xgmCZ8KkNMFbcY0wQYDID2PeZcoRYdEqAP5QMAAPhDdkk5vGpR8hF+9gX6HIpf1h6Wyh2AQ==
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

2026-09-17T09:51:56.747930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086275
observed 0bda6960c0f965a0942f49631c7cdd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.731116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086275/manifest.json
observed 041d6ead333aebec62d0be980693edea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.713161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086275/publication.md
observed 0ebe9cb729d7fd2308c0ca1d279107f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.695136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086275/publication.txt
observed b0dfddd2a35a3cae116587728aabc51c...
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.