OpenTechnical

OT-2026-000088171

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000088171) never changes.

Identity and time

Publication numberOT-2026-000088171 · never reused
Internal UUID01a0ae9b-1aa8-792d-b140-b1a01853f2cc · 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-2026-000088171
StatusPUBLIC

Content hashes

Canonical texta55f3fd0d76fdec88920a59c4ed81c3070ae2a261f251a603317ab2fc806a598
Markdown82025550d76ee4a43a1e7b6a645466e43beab1c12bd5522336a77132abf1b33e
PDF
Publication page15f259e4f93274c34493d2f8ce08e0eea299ec04cbcf5a52c547887ed84800ab
Manifest86e383cca4e10c8089816eba099507085da794912200e4e54b042b72d4300fa5

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
SignaturedZzQaSiCzm1Zbm4PESDGMyiC7L47MvI1FJXM0mIZ2IG8BxLctwUGtJN0SfSM2KvTMXfo1qelKLLeafgtwuRRDQ==
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

2026-09-17T09:50:13.920093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171
observed 15f259e4f93274c34493d2f8ce08e0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.900526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171/manifest.json
observed 86e383cca4e10c8089816eba09950708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.879330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171/publication.md
observed 82025550d76ee4a43a1e7b6a645466e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.860860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171/publication.txt
observed a55f3fd0d76fdec88920a59c4ed81c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.281330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171
observed 15f259e4f93274c34493d2f8ce08e0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.264026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171/manifest.json
observed 86e383cca4e10c8089816eba09950708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.244232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171/publication.md
observed 82025550d76ee4a43a1e7b6a645466e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:12.226769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088171/publication.txt
observed a55f3fd0d76fdec88920a59c4ed81c30...
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.