OpenTechnical

OT-2026-000035390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000035390) never changes.

Identity and time

Publication numberOT-2026-000035390 · never reused
Internal UUID01a0ae76-6a20-74a7-ad7a-72e774250c12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035390
StatusPUBLIC

Content hashes

Canonical textd2d066c1c179684f8a125bcc11b74e29439ac12aa99bc0511cfef0810fbc34c2
Markdowne14b548d9db909dec03229d4d47e7b215c45501e9066a13b106967768b6cac46
PDF
Publication pageb4fe6f048663a5a41d4976d5bd195503a8593493387c10dbc7eef51567371f68
Manifestffcd7a21b25f2cfc9066f939489a8af05f82ba8fb6e6b60a21c270c9a2e84c13

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
SignatureWP/Oic/mOMf+lEM9r61emGYOzhkm/6J46SY9NSBMnrbbK5FF0uYLb5Gs46WaQtijsgcoReckrh51F559jvclBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:41.157107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035390
observed b4fe6f048663a5a41d4976d5bd195503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:41.138798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035390/manifest.json
observed ffcd7a21b25f2cfc9066f939489a8af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:41.116848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035390/publication.md
observed e14b548d9db909dec03229d4d47e7b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:41.098804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035390/publication.txt
observed d2d066c1c179684f8a125bcc11b74e29...
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.