OpenTechnical

OT-2026-000086021

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000086021) never changes.

Identity and time

Publication numberOT-2026-000086021 · never reused
Internal UUID01a0ae99-e82b-77e2-978e-00ccc76dc172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086021
StatusPUBLIC

Content hashes

Canonical textd351f2dab34aed2bde609ce8fc8c22410bafae5dc2d5ecb4c6d82c594d73c835
Markdownf7ce11c95cf5fc85800cb88bcf58193ad256e4b6e07a47749ab9ebd00e221cf5
PDF
Publication page036477cc1e241f32def9ce6ba5abe2a555713ff938ff25127c496f1dcf03dde9
Manifest83a8c8c055d1550cdafba0e0f84ebcfcb6232403ba0c1ce74fffb60c474f12f0

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
Signaturegpp+aMYT/CzciHRthizMA6qoL4ByNMrrhJRyDTVqqmksujXBJxEmmWy5QtphNHikx4ZwY7pODGipL3pEfq3PDA==
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

2026-09-17T09:53:00.690964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086021
observed 036477cc1e241f32def9ce6ba5abe2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.674872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086021/manifest.json
observed 83a8c8c055d1550cdafba0e0f84ebcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.657737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086021/publication.md
observed f7ce11c95cf5fc85800cb88bcf58193a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.640766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086021/publication.txt
observed d351f2dab34aed2bde609ce8fc8c2241...
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.