OpenTechnical

OT-2026-000054846

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000054846) never changes.

Identity and time

Publication numberOT-2026-000054846 · never reused
Internal UUID01a0ae86-1285-7f62-bf22-9ff5df55b1d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054846
StatusPUBLIC

Content hashes

Canonical text63cc45d498355cd9af00914e32873e7d684f4ab48f8f9b8fcccbf5fb55f898b5
Markdownf63cb221c2f27af214fb2d4781ac5cd3bb6bb4a9512ca74c8ceebd6a3eaa22a3
PDF
Publication page601dc8aad6d2417a519a43dde720c0e93267a1ea06e39afbc829c5983a9fadb3
Manifestc11590a827560da7fa5f009361022a7bd367044980fab45a934e62a0c350516a

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
SignaturehU1aFC5TeMOZ7CiVDy2b7sl3uWh8gKS9tA0fNpQXjsJ9EwUm0n38Zr5tfvcm3cKqqZUiRi4p1yQ+AVIjSX3KAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:03.659175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054846
observed 601dc8aad6d2417a519a43dde720c0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.642701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054846/manifest.json
observed c11590a827560da7fa5f009361022a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.623939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054846/publication.md
observed f63cb221c2f27af214fb2d4781ac5cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.607045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054846/publication.txt
observed 63cc45d498355cd9af00914e32873e7d...
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.