OpenTechnical

OT-2026-000088497

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000088497) never changes.

Identity and time

Publication numberOT-2026-000088497 · never reused
Internal UUID01a0ae9b-5d28-79d9-8591-7455dabf8a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088497
StatusPUBLIC

Content hashes

Canonical text18789221df5685f39ce030b3167bbca0f3744eebe96d6f359947c797a2b5a153
Markdown9e96b084dddfa4f3806d11f3a1c5278c082687501c4bd2398fae67bb8aab413a
PDF
Publication page5572b5843c0eff49a6a5bbe8e201473b002cc31e26b71353cab49804b3d98c8a
Manifestcaf21f00bf8fd8348d655499f5ba063694e2ae77e71a010c1c1d3971c7070153

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
SignatureuCMVhFB+mgE2dr10LUWSNIf8e+yCx3vHor4b9z8eLdXefVJYH5UokfXPwbJnFfoI8CkslM/IFyiGzd3aopy0CQ==
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

2026-09-17T09:48:53.243574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088497
observed 5572b5843c0eff49a6a5bbe8e201473b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.226482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088497/manifest.json
observed caf21f00bf8fd8348d655499f5ba0636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.207713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088497/publication.md
observed 9e96b084dddfa4f3806d11f3a1c5278c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.191652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088497/publication.txt
observed 18789221df5685f39ce030b3167bbca0...
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.