OpenTechnical

OT-2026-000087889

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087889) never changes.

Identity and time

Publication numberOT-2026-000087889 · never reused
Internal UUID01a0ae9b-1aa5-7cc5-a695-26a406f92cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087889
StatusPUBLIC

Content hashes

Canonical textff06712cf9f525851af1c7138c72f37ac712afdf34e53d4411a84368e93aeb65
Markdown486a2484fa5d92a91ba80b45cf972037c67a6bfb559c84e259bfc6fbcc7a5226
PDF
Publication page4cd4d33021c218dc406367ddc4977c6094405b1913576c1cb25e7e61803f4361
Manifesta09a78e2532af49e3520b026aea56a5515c2f5e456b88fba760287d790e08b32

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
SignatureX8Wum1qPJli5mVS4+L3YrVEc6LEQ3loE+/uaPgImNyfTzpm8irV2qyIi1a9tfiwHMMsSU2Yoa4xAzL3qmBh7BA==
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

2026-09-17T09:49:09.674396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087889
observed 4cd4d33021c218dc406367ddc4977c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.654188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087889/manifest.json
observed a09a78e2532af49e3520b026aea56a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.634539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087889/publication.md
observed 486a2484fa5d92a91ba80b45cf972037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.616523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087889/publication.txt
observed ff06712cf9f525851af1c7138c72f37a...
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.