OpenTechnical

OT-2026-000092539

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000092539) never changes.

Identity and time

Publication numberOT-2026-000092539 · never reused
Internal UUID01a0ae9d-b5fd-70ae-83d2-11405040d5c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092539
StatusPUBLIC

Content hashes

Canonical text0b869bd8b74524faeaf82d1a484eb6fa4219d2b5cb99b8c6d763207c054ec64f
Markdown4e9ff9099fb7af332c6618b7c499eb14807a38c34781b1d6304c0834faba56f2
PDF
Publication page4e4dff01b3ec80e263dbea8f615932800511bd3f8d1c04a1ecf95e65eea8ace2
Manifest2488e499b611a93743d24c5be3ca1ca01a36b35ae33e95b9a5fee3a2ddc5f757

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
Signature4d4NkwlqMAEgyyzzqE+HJfgFFscvywkp00BJ4wu6NLRkf1B9UMfKKPrTaoQQBluXl9A1hmxY/06vpfGvtyr1CA==
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

2026-09-17T09:41:07.184334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092539
observed 4e4dff01b3ec80e263dbea8f61593280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:07.166799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092539/manifest.json
observed 2488e499b611a93743d24c5be3ca1ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:07.148976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092539/publication.md
observed 4e9ff9099fb7af332c6618b7c499eb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:07.130517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092539/publication.txt
observed 0b869bd8b74524faeaf82d1a484eb6fa...
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.