OpenTechnical

OT-2026-000040886

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained blow-off 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-2026-000040886) never changes.

Identity and time

Publication numberOT-2026-000040886 · never reused
Internal UUID01a0ae79-6d10-7006-8e55-77138c16008a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040886
StatusPUBLIC

Content hashes

Canonical texta3d5c0d60e85dad9f9a41ed1c13a910d35d84f9b77000bc83f37a3c6813b0842
Markdowne976040d4abc91776bf254d36fad9c22034d07ad37c796e191079dbf7d54b9d8
PDF
Publication page54175f82599e6df78d2c0ce94abf70aecc042389771301bce8a95a19a050265b
Manifestb1830eb5997c7ce0f9b6a83bbb9dbbbbffaa5266e485fecd63eb4a7cb885f266

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
SignatureiwZmv1ezVqqRlNsdZ5DBN7wGwlMQIl+axk4AOPY4T639SXcF5eRpsQS49b2zNpNOp2uVcsIZfPIWd+L0v26kCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:14.877627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886
observed 54175f82599e6df78d2c0ce94abf70ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.859348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886/manifest.json
observed b1830eb5997c7ce0f9b6a83bbb9dbbbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.839340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886/publication.md
observed e976040d4abc91776bf254d36fad9c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.823316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886/publication.txt
observed a3d5c0d60e85dad9f9a41ed1c13a910d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.883824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886
observed 54175f82599e6df78d2c0ce94abf70ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.865528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886/manifest.json
observed b1830eb5997c7ce0f9b6a83bbb9dbbbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.847579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886/publication.md
observed e976040d4abc91776bf254d36fad9c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:40.828396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040886/publication.txt
observed a3d5c0d60e85dad9f9a41ed1c13a910d...
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.