OpenTechnical

OT-2026-000058257

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000058257) never changes.

Identity and time

Publication numberOT-2026-000058257 · never reused
Internal UUID01a0ae88-f397-7b59-901d-e7b9c71c866d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058257
StatusPUBLIC

Content hashes

Canonical text09428138a1f795b0e0114dc317bbb268b494c6582f22097d6d1b1cbf7329dffd
Markdown6ff9acabac774400ddb6500e873b1c85fe6358efca46b834628ae78014591cad
PDF
Publication page2112d59b4bb8e45b898b831a442224c1620d4a8670eb0315eeaf05e14dc72188
Manifest21795fd5a4b433fea2418ce12f7e4d0abef34d8ef35715be5093aad21321f18f

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
SignatureC2Ld7Hl/ry8X1oj5MGI1P2gjBdk5/5XsJ1DX/CC/RCUSWQnKq+WLMzJIUMyLdia+mKSol2H+7sq8JthxiAy8Cw==
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...

Independent retrieval

2026-09-17T10:46:38.391922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058257
observed 2112d59b4bb8e45b898b831a442224c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.373774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058257/manifest.json
observed 21795fd5a4b433fea2418ce12f7e4d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.353625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058257/publication.md
observed 6ff9acabac774400ddb6500e873b1c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.336015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058257/publication.txt
observed 09428138a1f795b0e0114dc317bbb268...
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.