OpenTechnical

OT-2026-000080520

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000080520) never changes.

Identity and time

Publication numberOT-2026-000080520 · never reused
Internal UUID01a0ae96-7e78-7aec-b619-aedf3324956a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080520
StatusPUBLIC

Content hashes

Canonical text093790221854fc56c154ae119e3395601e58f1a9e0a45c177089c7f452644e3b
Markdown282819670c15f47ab520fd79e5b71056e8d56dff5d040771cbd621dce37f1819
PDF
Publication page05dbed36914587223095a9db68b40ac865778ddbbc810a245bf58a7da08a863a
Manifest9912967d3d7ef847140483d4e7df79a0526e0ad8bfaea5647030001b7f8e5283

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
SignatureVxAI7LMGLojQYwMQuSr1uwpCctOOfARDdKsmQmn3U5nKtZ1agextdZ+RytOsZZNa3u9yHXqIToPVQRk27anYAw==
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

2026-09-17T10:03:02.515258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080520
observed 05dbed36914587223095a9db68b40ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.498360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080520/manifest.json
observed 9912967d3d7ef847140483d4e7df79a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.481087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080520/publication.md
observed 282819670c15f47ab520fd79e5b71056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.462939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080520/publication.txt
observed 093790221854fc56c154ae119e339560...
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.