OpenTechnical

OT-2026-000089454

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold 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-2026-000089454) never changes.

Identity and time

Publication numberOT-2026-000089454 · never reused
Internal UUID01a0ae9b-db02-7cde-99e7-a473e2ba21a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089454
StatusPUBLIC

Content hashes

Canonical textf96b5fba8db0e56ffeba8718c1de4bf83f6a566e20f0388679223cf8d171cd4d
Markdown442fe0e3077285422c4304e659e61f9c531b6b058b17bfd2473de2e26c186a29
PDF
Publication page2af9d7624cee306c0afc48632d0cbced31396221f183193771775bec7a74b913
Manifestd883b6f887b40b0dcb5b5283b5561b7bcb6eed425afd16f714d2c8fa1b2d64a4

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
Signature/CVAnQ+X4mJ2qicwL2japJavdczmaof5GZ6fgyWVANjmEA2MHMDaBp0Ec24rMaigwuQ4o7fz+M9/vuVkP+sMAw==
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

2026-09-17T09:47:36.192451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089454
observed 2af9d7624cee306c0afc48632d0cbced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.176196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089454/manifest.json
observed d883b6f887b40b0dcb5b5283b5561b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.159933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089454/publication.md
observed 442fe0e3077285422c4304e659e61f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.141538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089454/publication.txt
observed f96b5fba8db0e56ffeba8718c1de4bf8...
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.