OpenTechnical

OT-2026-000057026

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000057026) never changes.

Identity and time

Publication numberOT-2026-000057026 · never reused
Internal UUID01a0ae87-d5b6-7539-832c-223fb3a8d88b · 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-2026-000057026
StatusPUBLIC

Content hashes

Canonical texte07c6a70339fb9ef19bda11311199ec7f3a0148d7333ab4a89c5df706195d595
Markdowndafef6809142a3a54e58bbee71be8cbdb1ed70f74c03b33338738e4ec9a46233
PDF
Publication page07fdde9c9a4b8a82624e24d546754ad21481b159e48b2a37faa506b5162ed35f
Manifestdf565a81c2baf74fac674f1cc228b686a48e47e66a46da160568cd38cebeb72e

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
SignatureJwbdaHU+W/oFBkwbQB2BE7v9kGhvtFRU5+Upa2f0XsbSbIEsJtpQwkSeyWFsbL7Iv+BiGGzQV95uQXCvDLayAg==
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

2026-09-17T10:48:30.366253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057026
observed 07fdde9c9a4b8a82624e24d546754ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.347810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057026/manifest.json
observed df565a81c2baf74fac674f1cc228b686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.330117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057026/publication.md
observed dafef6809142a3a54e58bbee71be8cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.310028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057026/publication.txt
observed e07c6a70339fb9ef19bda11311199ec7...
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.