OpenTechnical

OT-2026-000085723

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000085723) never changes.

Identity and time

Publication numberOT-2026-000085723 · never reused
Internal UUID01a0ae99-aaae-7551-a081-a2c502717a0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085723
StatusPUBLIC

Content hashes

Canonical text5a57c70a0b49449030f93467d4b41c542c264f8a3f7cb7572bb3b7fe045d99dc
Markdown310373fe576c233edd62ff48541fb6dfc58690ef6f726d391410dd95a5c39069
PDF
Publication pagea6e253aa8737cc1ec6998df4d3682539a9395d4cdd56d267301a7f318cec86c5
Manifest434428da1a09f27b1f3d1991e0240d656ed2491b42910e2a532f5e2486dcc7af

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
Signaturezl8cOHloNEgCvu+sFYxNx1Hj2KYePzQZjJ7Jr1oWDKdV4DJYw53sqLSX9pExbtbm8XqMocQSWngRpberig9WAA==
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

2026-09-17T09:54:38.004826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085723
observed a6e253aa8737cc1ec6998df4d3682539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.985275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085723/manifest.json
observed 434428da1a09f27b1f3d1991e0240d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.965970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085723/publication.md
observed 310373fe576c233edd62ff48541fb6df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.946807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085723/publication.txt
observed 5a57c70a0b49449030f93467d4b41c54...
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.