OpenTechnical

OT-2026-000069512

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000069512) never changes.

Identity and time

Publication numberOT-2026-000069512 · never reused
Internal UUID01a0ae90-b52b-77dc-bbb6-6474468b1983 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069512
StatusPUBLIC

Content hashes

Canonical textd1bea6c7a0ccc0f67554e6dabf0e78ce4626f8fd083921c2671c27336efe5ea9
Markdown2af7e012070c35340bd938ecbbe6bbdc148fd413246da8eb107c32422c230638
PDF
Publication pagebd16e61c82f4ef7fbd34b8b44ba295f6c2405339e181eac6ef59bf3c2011ccb1
Manifest9ad0aaf1805aaa5d8e9b0950e202ae337d11512709f4347d42c2a63d12358907

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
Signatureot8Pt7yFKz6kvtEKQ8dTILbXNEwB2vtwnXzvV85Vb4cqMNT/4GCBnLtWNq0TPRFre2uYaqPiso3kCjlDLZEVDg==
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

2026-09-17T10:30:35.967288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512
observed bd16e61c82f4ef7fbd34b8b44ba295f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.948162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512/manifest.json
observed 9ad0aaf1805aaa5d8e9b0950e202ae33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.926573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512/publication.md
observed 2af7e012070c35340bd938ecbbe6bbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.907705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512/publication.txt
observed d1bea6c7a0ccc0f67554e6dabf0e78ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.853353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512
observed bd16e61c82f4ef7fbd34b8b44ba295f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.835833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512/manifest.json
observed 9ad0aaf1805aaa5d8e9b0950e202ae33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.816329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512/publication.md
observed 2af7e012070c35340bd938ecbbe6bbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.797801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069512/publication.txt
observed d1bea6c7a0ccc0f67554e6dabf0e78ce...
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.