OpenTechnical

OT-2026-000081277

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000081277) never changes.

Identity and time

Publication numberOT-2026-000081277 · never reused
Internal UUID01a0ae96-f374-7866-ad12-8ffc8b4b8a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081277
StatusPUBLIC

Content hashes

Canonical textfbfd520f801892c1f38642882fdf16b84b4d53ad26decd66def9a3da9f87d90d
Markdown3a721952f80c3f66ba9674800fc32298d36517cbd9f6454fd9f3ac55186fad27
PDF
Publication page8576fe38fb7e9c9f80db1b3a71f81c81fbf19744806e1ab0316fc921f1919366
Manifest46445e61e39fb83f4095f343db11cb29b3d8d6b46d1b90aa95a8bceb78a56029

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
SignatureBKJ56QJ9r0BzfS8Q0y51hPnVAU9rpRgfQ/8klaq8ZhOVhkBTA7ue2eg+S1Fg3p0NR+oAEf4HTBM7eZQMHsPbAw==
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

2026-09-17T10:01:22.806392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081277
observed 8576fe38fb7e9c9f80db1b3a71f81c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.788872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081277/manifest.json
observed 46445e61e39fb83f4095f343db11cb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.770771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081277/publication.md
observed 3a721952f80c3f66ba9674800fc32298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.752240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081277/publication.txt
observed fbfd520f801892c1f38642882fdf16b8...
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.