OpenTechnical

OT-2026-000086821

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000086821) never changes.

Identity and time

Publication numberOT-2026-000086821 · never reused
Internal UUID01a0ae9a-80a4-7190-b6c5-5762b41cac83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086821
StatusPUBLIC

Content hashes

Canonical texte0695ff6d60af01e975f238534975cc5760c70acdd9de0d7a16e789d37024d01
Markdown13c917b273ed9cba84a9a06a0d5c70339cdc782419d5513b231b43b5e9137402
PDF
Publication pageff00b1a8a892d5d0171212ba8c3bf222f95ede3f90ab4ede3d3b13e9b28336d2
Manifestbac0c0908b5a893d6047d2764b7114d21faabe47a59c712b6c1914e8b213203d

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
SignatureL8eHok3my3oFc/m+UU68Rz/Pk9jxdYAiFvPGk838f/+WaZEpDGLqNs9TGb+CKvi2RhOuX+DBfTGWTjG3ll0sDA==
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

2026-09-17T09:51:38.750953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086821
observed ff00b1a8a892d5d0171212ba8c3bf222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.728895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086821/manifest.json
observed bac0c0908b5a893d6047d2764b7114d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.711331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086821/publication.md
observed 13c917b273ed9cba84a9a06a0d5c7033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.692530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086821/publication.txt
observed e0695ff6d60af01e975f238534975cc5...
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.