OpenTechnical

OT-2026-000007950

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, vented after 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-2026-000007950) never changes.

Identity and time

Publication numberOT-2026-000007950 · never reused
Internal UUID01a0ae6a-908b-7a71-afae-62b57420b8f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007950
StatusPUBLIC

Content hashes

Canonical text6c64e978424b2648e4b6ca3645438012267d81d9d371addbf236e84760a0a9dd
Markdown830b0b411d04e4262f2b260ebc92df345dc956c00ce4cdec49c037ea1db6db7b
PDF
Publication page8e2832ab6e26e9f8892c1d2b59196f8a255f2b1ae74b61cca67d4b55cd2f6279
Manifest2cf59dff1d2077fd1bdd059f1976adb89f8b93c0fae2178c54c894bd66cb0e71

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
SignatureIbWxD/iz1II+FuWPbSoybIoTq1wmQkbhs7meEYTJo+anOyquvE+Rx5ie6gwKU8GOQvzoYK3y6EQ4kI5oaqTfDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.494720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950
observed 8e2832ab6e26e9f8892c1d2b59196f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.475259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950/manifest.json
observed 2cf59dff1d2077fd1bdd059f1976adb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.452186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950/publication.md
observed 830b0b411d04e4262f2b260ebc92df34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.431953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950/publication.txt
observed 6c64e978424b2648e4b6ca3645438012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.995865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950
observed 8e2832ab6e26e9f8892c1d2b59196f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.973951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950/manifest.json
observed 2cf59dff1d2077fd1bdd059f1976adb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.950407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950/publication.md
observed 830b0b411d04e4262f2b260ebc92df34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.926694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007950/publication.txt
observed 6c64e978424b2648e4b6ca3645438012...
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.