OpenTechnical

OT-2026-000075163

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075163) never changes.

Identity and time

Publication numberOT-2026-000075163 · never reused
Internal UUID01a0ae93-f1ff-76b3-9d64-8be2101f88c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075163
StatusPUBLIC

Content hashes

Canonical textc881bbf156ff1ad52d0f70ecbe6c13d230ff26f2e77a8bae9371ab01af612dc7
Markdowna6f3f3672910b4566077defb6ce9a6d917949062ca77bae5c974c622d2ea1d17
PDF
Publication pagefa812e4d15b234e1648c097ee0f5a81b4b8c719bf5c338d8899be30c123d999a
Manifest6afa7d9ad745bc2b3b75fd3aa0b73f3305d2761c82c1fe524144fb09979d1fc0

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
Signature4FWKZy25UX+HOLetaAQQLl/ZYAhKJwUwfRibRZaVMgH250TMKV8qSj7AvLpNymerytWFlhnbafpocVrsGH8sDQ==
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

2026-09-17T10:20:24.356584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163
observed fa812e4d15b234e1648c097ee0f5a81b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.328874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163/manifest.json
observed 6afa7d9ad745bc2b3b75fd3aa0b73f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.308222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163/publication.md
observed a6f3f3672910b4566077defb6ce9a6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.287352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163/publication.txt
observed c881bbf156ff1ad52d0f70ecbe6c13d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.695891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163
observed fa812e4d15b234e1648c097ee0f5a81b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.308317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163/manifest.json
observed 6afa7d9ad745bc2b3b75fd3aa0b73f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.289244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163/publication.md
observed a6f3f3672910b4566077defb6ce9a6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.270566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075163/publication.txt
observed c881bbf156ff1ad52d0f70ecbe6c13d2...
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.