OpenTechnical

OT-2026-000083853

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000083853) never changes.

Identity and time

Publication numberOT-2026-000083853 · never reused
Internal UUID01a0ae98-0418-74e0-8e08-67d9ab53f22f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083853
StatusPUBLIC

Content hashes

Canonical text52b3e20bdb3b676acf827870275efd22239d069e870a4f929514a7baa280b576
Markdown698dd9e8e9e61b7d77a954785ef1cafecab042128defa82ae8e16faf01415cf2
PDF
Publication page37a735fb8bbfaff1a274256e256303dbc601060857c609e1118eee1656bd9a85
Manifest538e7412faadb72288ab0eb85cd5c69900f5eeb588be951dafd1db594152f749

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
SignaturePJUj8OgNqiPoB+HpuDMzPuPckrpzgqg7d562XFGrJjju7ZrkM17HxksrmYN0LJ1JZ+yyNR8CJlKM6dyZGKIBDA==
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

2026-09-17T10:00:08.794006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853
observed 37a735fb8bbfaff1a274256e256303db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.756455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853/manifest.json
observed 538e7412faadb72288ab0eb85cd5c699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.733406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853/publication.md
observed 698dd9e8e9e61b7d77a954785ef1cafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.691709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853/publication.txt
observed 52b3e20bdb3b676acf827870275efd22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.770552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853
observed 37a735fb8bbfaff1a274256e256303db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.754183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853/manifest.json
observed 538e7412faadb72288ab0eb85cd5c699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.737386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853/publication.md
observed 698dd9e8e9e61b7d77a954785ef1cafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.718917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083853/publication.txt
observed 52b3e20bdb3b676acf827870275efd22...
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.