OpenTechnical

OT-2026-000086281

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000086281) never changes.

Identity and time

Publication numberOT-2026-000086281 · never reused
Internal UUID01a0ae9a-2c95-782e-b5a3-85bbbe7ecb36 · 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-2026-000086281
StatusPUBLIC

Content hashes

Canonical text0459495f51eb9479ac5c59248db1c72b509318374726ac32b39f7fe076f642f9
Markdownf838b250fda6056108157345e240ed266fc24327c2be2946d3cc4414265746de
PDF
Publication page06ecdb3d1fc0c85366000ebd8e2583d61719cf3207dbe25b3aca708ab9a5a915
Manifest86cee7a2e22106bebc75ab4ba61690d40d5918b9e5a9ac0397efc5723190d3f7

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
Signaturec/b2Rgev4PPjnPE459K4bifjNd9DkdUx0Pp8W1XJMOdJWa3gMC4odESRLQlO7N5I8uCJMt3mCJ6g2fFxti8aBw==
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

2026-09-17T09:51:57.188121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086281
observed 06ecdb3d1fc0c85366000ebd8e2583d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.171046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086281/manifest.json
observed 86cee7a2e22106bebc75ab4ba61690d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.154242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086281/publication.md
observed f838b250fda6056108157345e240ed26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.137503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086281/publication.txt
observed 0459495f51eb9479ac5c59248db1c72b...
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.