OpenTechnical

OT-2026-000083820

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000083820) never changes.

Identity and time

Publication numberOT-2026-000083820 · never reused
Internal UUID01a0ae98-0418-7c88-986e-baa8b257e310 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083820
StatusPUBLIC

Content hashes

Canonical textaf0a60b17c0c7a193b9687d8dba8b30ca52e76f6d61ad4eef68a99f3361d3d65
Markdown6dc98e27863b09ea84690fa5d03c8420b8d2b33d5499cdefa26d22bce62629d9
PDF
Publication page1adca089277b946639d5a4e7d2192fc89abf4d53c0b720076ce27b696a47f4af
Manifesteed4ec82d5b74001336590fbb80407014df2b2d27dbcad749c7d9b6b2269ac98

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
Signature3f4OEYsAi7pHKrg+8FDCTEllT34/xgMB2kvr+PUKRMkqV9Nlo6wIccWUc+9HSbhWWlo1W5L4jsLXmmZUhXEYCA==
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

2026-09-17T10:00:04.725304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820
observed 1adca089277b946639d5a4e7d2192fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.707411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820/manifest.json
observed eed4ec82d5b74001336590fbb8040701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.688576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820/publication.md
observed 6dc98e27863b09ea84690fa5d03c8420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.669976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820/publication.txt
observed af0a60b17c0c7a193b9687d8dba8b30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.439625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820
observed 1adca089277b946639d5a4e7d2192fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.423433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820/manifest.json
observed eed4ec82d5b74001336590fbb8040701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.408386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820/publication.md
observed 6dc98e27863b09ea84690fa5d03c8420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.390767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083820/publication.txt
observed af0a60b17c0c7a193b9687d8dba8b30c...
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.