OpenTechnical

OT-2026-000098577

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000098577) never changes.

Identity and time

Publication numberOT-2026-000098577 · never reused
Internal UUID01a0aea2-42ac-71ef-96db-2eab33c3692f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098577
StatusPUBLIC

Content hashes

Canonical texteed8ffa80e724343aa9cd7b1eb2394e7808b3ace08c075b8d075acb0ba234099
Markdownc3b93fa4009edeb6ac79e6f993e4c499182d76d5af76915dfeb060587d1d0272
PDF
Publication pageb690b8551c5611e3d4b9cc1e5bbf2661efb9149622b792577038d03d3fab6697
Manifest07f1fa339f05a54710194a56f19ce56e5da2bc9a0e0d3f843427ef9d1023997a

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
Signature4hP/ayIMuRBACT7kWnf9fWJeILXLger/GQcsMnS6k+GgeC59FLXosnq5CIE407XZd5e3WwX2aHwcJ4S/0W7tCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:50.490212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098577
observed b690b8551c5611e3d4b9cc1e5bbf2661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.472242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098577/manifest.json
observed 07f1fa339f05a54710194a56f19ce56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.454205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098577/publication.md
observed c3b93fa4009edeb6ac79e6f993e4c499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.437748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098577/publication.txt
observed eed8ffa80e724343aa9cd7b1eb2394e7...
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.