OpenTechnical

OT-2026-000058446

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-2026-000058446) never changes.

Identity and time

Publication numberOT-2026-000058446 · never reused
Internal UUID01a0ae88-f39a-7d88-a8d6-70ca90395efd · 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-2026-000058446
StatusPUBLIC

Content hashes

Canonical textfbad9758319f1215a8b36ee533d27bc905505ce97184d2c6b137b07c9f38354d
Markdown183c608f63a25757783ac3a5d63f01f500387d05cf732901fa9baa59a8d74ae5
PDF
Publication pagee3152a2ac12e4902114b3b0c515066242d5d4bc54cc220152cd647a7c4a28020
Manifest096b066655e241d3bb5bbb6205c88419f88a24e8fc33160449e26a4990d1b47b

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
SignaturenS3efNfBKkdc0RoZZ+0TFN19nk8z6/Gi11iJwPQu9XejhEFNazuKeaPRKuZzuqvNyRAwGKE8Gv+bdue2wHUSDg==
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

2026-09-17T10:46:53.503070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058446
observed e3152a2ac12e4902114b3b0c51506624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.486550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058446/manifest.json
observed 096b066655e241d3bb5bbb6205c88419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.468647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058446/publication.md
observed 183c608f63a25757783ac3a5d63f01f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.451075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058446/publication.txt
observed fbad9758319f1215a8b36ee533d27bc9...
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.