OpenTechnical

OT-2026-000057234

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000057234) never changes.

Identity and time

Publication numberOT-2026-000057234 · never reused
Internal UUID01a0ae87-d5bb-7b06-a240-8884600d7f33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057234
StatusPUBLIC

Content hashes

Canonical text17506c61a317a9f8567e93d3b12fe68858e955d4845110b4044508cd20476d94
Markdown0e8ed36a321886a6cfbb366f7253c8d7d7fc40eafe40a690805547871010ffac
PDF
Publication page51d424591f208c15b638014c98ea9ccb906266198fd69a8447366c471c39cc97
Manifestf56220eab8fdb6e0fc503fb36fed6c1314611a54b92c460f923e9230eb41a019

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
SignatureW4Bah7BRWx4RCI3o1cQZ7m3QSuWJhI0kmvG+Jt7HVJw6QMvu6kdHx0ZyRhXQoGAmlDXQagkWxqirXPjP1qNxAQ==
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

2026-09-17T10:50:17.693961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234
observed 51d424591f208c15b638014c98ea9ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.674134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234/manifest.json
observed f56220eab8fdb6e0fc503fb36fed6c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.651865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234/publication.md
observed 0e8ed36a321886a6cfbb366f7253c8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.614599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234/publication.txt
observed 17506c61a317a9f8567e93d3b12fe688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.286128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234
observed 51d424591f208c15b638014c98ea9ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.267316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234/manifest.json
observed f56220eab8fdb6e0fc503fb36fed6c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.249101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234/publication.md
observed 0e8ed36a321886a6cfbb366f7253c8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.232470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057234/publication.txt
observed 17506c61a317a9f8567e93d3b12fe688...
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.