OpenTechnical

OT-2026-000055022

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000055022) never changes.

Identity and time

Publication numberOT-2026-000055022 · never reused
Internal UUID01a0ae86-5e80-76e0-8c83-6349c55b8388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055022
StatusPUBLIC

Content hashes

Canonical textf6413ffde4c32e78d8422bba7549ce404a758213a1df2fdc04ab8ad1215a9cd8
Markdown544440545b9b1df7404e4957ab5f1157edfe773c096367a3356d11d5112d5ea2
PDF
Publication paged652ef6d2da0897e13693b18dd384060b0cf95f03613244c7898561b6f1b600e
Manifest28f33bc511fd74029019c01039b10416c39136c7f3b71ce9be533a525e020670

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
Signature2DG49ss7PL2guh+9Pn7nQw9yKOHR8dTyt0YTYv5gtfLINtio7mmeKeM+XFoFhnDCuQxKT6CqQwG+hA84UKGiCw==
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

2026-09-17T10:53:09.503693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055022
observed d652ef6d2da0897e13693b18dd384060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.485191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055022/manifest.json
observed 28f33bc511fd74029019c01039b10416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.467405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055022/publication.md
observed 544440545b9b1df7404e4957ab5f1157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.449901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055022/publication.txt
observed f6413ffde4c32e78d8422bba7549ce40...
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.