OpenTechnical

OT-2026-000100330

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000100330) never changes.

Identity and time

Publication numberOT-2026-000100330 · never reused
Internal UUID01a0aea3-3054-7448-a945-dbfc8e7eed22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100330
StatusPUBLIC

Content hashes

Canonical text826b860d8cf2cba3ae5982e147fa405040bb1b38f16e98bea1ee339b09db4d39
Markdown68ebe38a01c6c556c696608b1e8055b84749a284a63e555a8d10059f554bcf4a
PDF
Publication pagece3da13ba73fd077681bf2bb93435da77bd54e5e25acf4c47ecd77a18ba42000
Manifestc20d6c645144e84dcd392fcf0e0579f07736d2b95804d0a743462083ebbe718b

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
SignaturevIBryVlS3bXhO6hDyeC4gDVGrJ/ax5sgwYYrD+19X0xYqg4n7WOeXKjucDz/nyupCWckYG6MnfQ2ktX8ZGt+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:16.457326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330
observed ce3da13ba73fd077681bf2bb93435da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.430327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330/manifest.json
observed c20d6c645144e84dcd392fcf0e0579f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.409089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330/publication.md
observed 68ebe38a01c6c556c696608b1e8055b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.384173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330/publication.txt
observed 826b860d8cf2cba3ae5982e147fa4050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.964858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330
observed ce3da13ba73fd077681bf2bb93435da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.945881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330/manifest.json
observed c20d6c645144e84dcd392fcf0e0579f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.929428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330/publication.md
observed 68ebe38a01c6c556c696608b1e8055b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.911292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100330/publication.txt
observed 826b860d8cf2cba3ae5982e147fa4050...
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.