OpenTechnical

OT-2026-000058058

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000058058) never changes.

Identity and time

Publication numberOT-2026-000058058 · never reused
Internal UUID01a0ae88-6eda-733d-b0cf-bf4a0f2e5fb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058058
StatusPUBLIC

Content hashes

Canonical textedb760b4208eca73144b489b7357731aa4d0ad95afdd2ccf54aec0aed9350e99
Markdowned4859542fd5efc4867ec6795788b54e463450f84bfecba4097a902ce8e4da4c
PDF
Publication page0e4c737d269a6a94b36c1835d44523799d7394a9b8883b90ab8b1b73612a5927
Manifesta0382001c625cea1da37088016139017e2aa51fe65b07ef0e129dfd625521acb

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
SignatureHwbpoZFbGP9JVz2WViiRkZaSbKEMamjKq8Z3BBnbFjLEFJrowdfJfUKox/umrug4J3Wwt65U5yP4z4vdKfH7AA==
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

2026-09-17T10:47:42.629128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058058
observed 0e4c737d269a6a94b36c1835d4452379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:42.612757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058058/manifest.json
observed a0382001c625cea1da37088016139017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:42.593753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058058/publication.md
observed ed4859542fd5efc4867ec6795788b54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:42.575491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058058/publication.txt
observed edb760b4208eca73144b489b7357731a...
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.