OpenTechnical

OT-2026-000067789

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000067789) never changes.

Identity and time

Publication numberOT-2026-000067789 · never reused
Internal UUID01a0ae8f-c4fa-742f-a654-12d6a2393a27 · 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-2026-000067789
StatusPUBLIC

Content hashes

Canonical text5f7f81f2312b3854f363731469c6fe65716713ccdd1bb76a4c3199fc5723ac0b
Markdownf93d83aee8e06bf39f6f67a87f4832085bb46e2b8359268758ece490ca32caed
PDF
Publication page9b831741490fbff79a0632d993eb6a3f22b2be27e4922da8f27e0bef32baf130
Manifestb1e0388dd07ced14de0c33cec2509ac67230cc4341a1c0b543ba9be58ddb488d

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
SignatureP8kfVnORrEt5EoD6ijc2YzORFqrMkt3VAZxTGR/tOl5dcY6maITQiiwL3tEx4lwGEnLLIEsKvu3ScdYqOFQ0Ag==
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

2026-09-17T10:30:01.487461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067789
observed 9b831741490fbff79a0632d993eb6a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.468476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067789/manifest.json
observed b1e0388dd07ced14de0c33cec2509ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.448661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067789/publication.md
observed f93d83aee8e06bf39f6f67a87f483208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.430802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067789/publication.txt
observed 5f7f81f2312b3854f363731469c6fe65...
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.