OpenTechnical

OT-2026-000092951

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000092951) never changes.

Identity and time

Publication numberOT-2026-000092951 · never reused
Internal UUID01a0ae9e-090f-7d4a-8703-b8076ab5fd96 · 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-2026-000092951
StatusPUBLIC

Content hashes

Canonical text01fdbf39232b42424282ebf2a0976f2de9109d1b5293e4009b48916460209553
Markdown05e427a3d0381843404f3cbe8fe07ba5588ae183b2e479ca03c25ae00aed3799
PDF
Publication pageff23c783e932e2129abf6eab5a47ddc98da26fab146c31070c055292d377d1e9
Manifest4964cfdc89b6ec10f1553ee37d1bcb3b4840a61d278581e490352b47c6f287e8

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
SignatureKSkmQAVxAPxOyasOFkpnlIM7KpuA2dnZ3eoJkcD4AHM0nQU/lXG4qukbC2/nWJhHU5Ut/3+isQxyyABr1ashAw==
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

2026-09-17T09:40:04.401215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092951
observed ff23c783e932e2129abf6eab5a47ddc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.383614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092951/manifest.json
observed 4964cfdc89b6ec10f1553ee37d1bcb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.365712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092951/publication.md
observed 05e427a3d0381843404f3cbe8fe07ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.349044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092951/publication.txt
observed 01fdbf39232b42424282ebf2a0976f2d...
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.