OpenTechnical

OT-2026-000068446

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068446) never changes.

Identity and time

Publication numberOT-2026-000068446 · never reused
Internal UUID01a0ae90-2481-7ab8-90a4-9ab81c7dead7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068446
StatusPUBLIC

Content hashes

Canonical text786beb99e25e631eae1d70c8aa41b8e11418f83049a5c9d2fd776a6690d07d57
Markdown534e7e1d6e4b384944ed22e5ca2c395a24084f24dbbcc9780a3a95f3659ca5e9
PDF
Publication pageb6cba5c9b8135d45951f3910378fe4976aeb39bc3cc4c9805978be6a8bf6c611
Manifest463046e366693f7753b6b7297243ce64ef572cc5f48ed4dc2e15389714ff56de

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
SignaturelihZAlpS/+2JVhapKhQThQ6WEMCNfYu6cimqzTEXdStMq2rbtykBGwA58JyK6Bxhv9RgnFGDdUu6vjcjia4ADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:35.526183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068446
observed b6cba5c9b8135d45951f3910378fe497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.507000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068446/manifest.json
observed 463046e366693f7753b6b7297243ce64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.486228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068446/publication.md
observed 534e7e1d6e4b384944ed22e5ca2c395a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.466953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068446/publication.txt
observed 786beb99e25e631eae1d70c8aa41b8e1...
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.