OpenTechnical

OT-2026-000054270

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000054270) never changes.

Identity and time

Publication numberOT-2026-000054270 · never reused
Internal UUID01a0ae85-b3a9-76ed-b919-0b19b6068617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054270
StatusPUBLIC

Content hashes

Canonical text198b914942f1fe84b7f3e5d295592d90604737a65b855211c1657619c7a44329
Markdownc869f4c4e8978f973f80da73ec05ee4be926f04f0e5503e646de423b70f31b0d
PDF
Publication pagedbdf391e76a9076246133f08988d5d8cb84a6d85fc3239a6327eb584367a6cd1
Manifest86eec15e8dbaa910287b78b3b6ea31999921ae5e9517fc21f085c4ba9ebd1afa

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
SignatureJRQa9VpYIMcK5lF4Vhj40toteHsrXkpbet18cYUS2SxISOuAV3Z946Nkw3L43nW5QQaOdzpo6LJKoYxpACr3BQ==
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

2026-09-17T10:54:45.743183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054270
observed dbdf391e76a9076246133f08988d5d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.726327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054270/manifest.json
observed 86eec15e8dbaa910287b78b3b6ea3199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.708017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054270/publication.md
observed c869f4c4e8978f973f80da73ec05ee4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.688357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054270/publication.txt
observed 198b914942f1fe84b7f3e5d295592d90...
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.