OpenTechnical

OT-2026-000092857

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000092857) never changes.

Identity and time

Publication numberOT-2026-000092857 · never reused
Internal UUID01a0ae9d-b601-79b6-9b2c-aec78a20e366 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092857
StatusPUBLIC

Content hashes

Canonical textb85d15e64b2ffc44f7c53ddd891b0f285de2d85d2b7afeb120538784439ddb66
Markdown90900af7683c57896d4be5ed47ffb56b2d06b006b4befe41854f89722210d8e4
PDF
Publication pagedb1cd0562d1b79a09cb6dc2ff4af174a7f7c8a4eb1503f3da2306c24d08720e1
Manifest4c58139e1a2b9aadfb9ce166e2369e7fd6ed05cf2a14e33b2882a7629b5dd4ca

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
SignaturePTM4NL8Knn7GeuP8CITFiNbvSaB6V+LAN8yCtjxEVyX+daSc1QqzqjhUBw3ngueT4+IESwaP0oRy7HX2uHE2AA==
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

2026-09-17T09:41:30.862229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092857
observed db1cd0562d1b79a09cb6dc2ff4af174a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.844907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092857/manifest.json
observed 4c58139e1a2b9aadfb9ce166e2369e7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.826164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092857/publication.md
observed 90900af7683c57896d4be5ed47ffb56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.807648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092857/publication.txt
observed b85d15e64b2ffc44f7c53ddd891b0f28...
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.