OpenTechnical

OT-2026-000083865

Publication integrity record

Foam pad 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-2026-000083865) never changes.

Identity and time

Publication numberOT-2026-000083865 · never reused
Internal UUID01a0ae98-0418-7db3-8b4f-d7d7d60f9e78 · 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-2026-000083865
StatusPUBLIC

Content hashes

Canonical text0d3963578f9230bcd8a79591a4e691f355df8e58dbae90d3a3db587bb70cc9f4
Markdown8a3d80a072fa8bb4be14a97c452ea3eafe18a49ecdc8ad77820ce7da14abefaa
PDF
Publication page456a7ed1dae8dcdde7ab96b2a2acdee9aaa010b84a2f3be1b32e97b17557b400
Manifest3bfa0da2e4cf489b09167b3fc49450b17b0f35ae0ca5a5ba023781a9760485b5

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
SignatureKeKXjhWsCuWlUgFz/wPgd39I0FNexaHt+z0YemGojCnTgZY4t0jbzk2CachdIpWQhBeUgML5ArB+1317PbaVDQ==
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

2026-09-17T10:00:10.369374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865
observed 456a7ed1dae8dcdde7ab96b2a2acdee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.336031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865/manifest.json
observed 3bfa0da2e4cf489b09167b3fc49450b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.306438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865/publication.md
observed 8a3d80a072fa8bb4be14a97c452ea3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.257782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865/publication.txt
observed 0d3963578f9230bcd8a79591a4e691f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.616778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865
observed 456a7ed1dae8dcdde7ab96b2a2acdee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.597748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865/manifest.json
observed 3bfa0da2e4cf489b09167b3fc49450b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.579110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865/publication.md
observed 8a3d80a072fa8bb4be14a97c452ea3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.561638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083865/publication.txt
observed 0d3963578f9230bcd8a79591a4e691f3...
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.