OpenTechnical

OT-2026-000089968

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089968) never changes.

Identity and time

Publication numberOT-2026-000089968 · never reused
Internal UUID01a0ae9c-428d-7c8e-90c9-a1ae79262db8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089968
StatusPUBLIC

Content hashes

Canonical textca7557cd178e69bbc303dc54ada5dad12d802ee48f5dac57378161e1abc4e375
Markdown5cade1e3ca965f3df2c333a9b93bce51220844a35e1615fb584c707e7590c537
PDF
Publication pageaaa7ccf6eef34e3815398bb0c8069ad304d05e0afd47a1320e10c5c29259d9f3
Manifestc9878063f8994858c54819d6ec93879b1b2060282ea615de70644ca1e7870f4d

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
SignatureY5mcjJPmzYoDEW45dDL+pGziUNjcezB6pT/IZSTcnLqfPvBIwNZgArGwwk2bHstKUZnMNvoWws7r4/Me+uz8DA==
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

2026-09-17T09:45:21.319878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089968
observed aaa7ccf6eef34e3815398bb0c8069ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.302487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089968/manifest.json
observed c9878063f8994858c54819d6ec93879b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.284292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089968/publication.md
observed 5cade1e3ca965f3df2c333a9b93bce51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.266053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089968/publication.txt
observed ca7557cd178e69bbc303dc54ada5dad1...
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.