OpenTechnical

OT-2026-000067812

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067812) never changes.

Identity and time

Publication numberOT-2026-000067812 · never reused
Internal UUID01a0ae8f-c4fb-7806-abd2-cd4f22f84ccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067812
StatusPUBLIC

Content hashes

Canonical text8546687ed96f776f049a458cb76be4a38965a39688245d17ebcbdd29b3f25b52
Markdown3331e3b5c39d052bf3f76ce6c0ff1720056c72edf6f5c82a89f591b4a4e6c0a6
PDF
Publication pagef9d123826ce49f0a24d1b1048e054e29d80eaaf5100aa2108ac669eb3ff28239
Manifest71b255cb6c390c76480b324d4e30fa546cade765af96b8eddb24ba3482ca2fa2

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
SignaturezPcuGQVEuh3HzTSs64Bw85L849AXocCRqH/i2eJXehotcdEX2uJ+p/vTIO2q/vB/Kw1BIH5C9cuAMphT2nu8Ag==
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

2026-09-17T10:30:03.407510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067812
observed f9d123826ce49f0a24d1b1048e054e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.384561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067812/manifest.json
observed 71b255cb6c390c76480b324d4e30fa54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.360714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067812/publication.md
observed 3331e3b5c39d052bf3f76ce6c0ff1720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.342416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067812/publication.txt
observed 8546687ed96f776f049a458cb76be4a3...
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.