OpenTechnical

OT-2026-000093247

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000093247) never changes.

Identity and time

Publication numberOT-2026-000093247 · never reused
Internal UUID01a0ae9e-0911-7220-b22f-afc166b11b13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093247
StatusPUBLIC

Content hashes

Canonical text8a256d5702c89406b1a78ec6776e4a92fc27c165870798f074fa41f93705c007
Markdowna5201f7b941311100d6e35645dd2b8513ed4a0c2ea9c2396196f0851aea75883
PDF
Publication page3feb5465dc1238799a2c0f242dd8dfb2aa9900e6f660bfeeb2208611ad4a3f3b
Manifest280aa5ff6d11a9655124546f4ae234b3db44c239963e7ca35813f9259c1ae59d

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
SignaturewdSNgnjfQ7lbDqFodWRihafbSlJ/AOwU8eeZzbs9kKHngQuZVmBAJaq66wWd5nPWuwEuMhjoT6nMrQ7pob1EBg==
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

2026-09-17T09:40:36.041145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093247
observed 3feb5465dc1238799a2c0f242dd8dfb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.020079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093247/manifest.json
observed 280aa5ff6d11a9655124546f4ae234b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.002182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093247/publication.md
observed a5201f7b941311100d6e35645dd2b851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:35.982738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093247/publication.txt
observed 8a256d5702c89406b1a78ec6776e4a92...
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.