OpenTechnical

OT-2026-000008145

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000008145) never changes.

Identity and time

Publication numberOT-2026-000008145 · never reused
Internal UUID01a0ae6a-908c-7e1f-b798-677e66d2ffd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008145
StatusPUBLIC

Content hashes

Canonical textb9971d071ed73a1ccc32268af79ca215a3d703550415291d3b074aab08a60a69
Markdown3ef0a53936872a13a2eeddb360effb6abf06315651b989db5b76314647f41fd9
PDF
Publication pagee0b6542183ac9a4516070ba7181ee24ace593acc1b469b5d0743a2918f179877
Manifest0a3a461b1785676bf2e197992b14ae5a6af6eb2cd53d337cdedd28dff1624d17

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
Signaturec0KA75tMKmieozUdosztEajf/IE7+vKT3rPB6uusIXvNVoVuhTejnnp/WFd9QT+CoXrsPhBCSdCxLP/O6Z7OCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:28.429973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008145
observed e0b6542183ac9a4516070ba7181ee24a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.412034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008145/manifest.json
observed 0a3a461b1785676bf2e197992b14ae5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.393546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008145/publication.md
observed 3ef0a53936872a13a2eeddb360effb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.376136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008145/publication.txt
observed b9971d071ed73a1ccc32268af79ca215...
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.