OpenTechnical

OT-2026-000064673

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000064673) never changes.

Identity and time

Publication numberOT-2026-000064673 · never reused
Internal UUID01a0ae8d-deb9-7f43-9e83-39c8784b4753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064673
StatusPUBLIC

Content hashes

Canonical textfb4e353c18307133313809b921b1183c4d7f2baa89e9b49b4b2723cde0fc29ac
Markdown1aa966456f680de666f7f176ce5bb69bc455adbcd9c7ac0e356c83bd243b6671
PDF
Publication page73605573c66bb855015233839bfd2b60b7ef169d3b24f6da158df4ece99a2644
Manifestac7ecc97f07460bb0e5250edca186c3dfb52f741f7ff2e8886c2bd9b39ca0960

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
Signaturec7MlmNa2BGVqyVYhtvq3QhDjP4CVW3cg7vj7ciDDAa/PGB1QLmZG2xoNpf6l1i4HZ7MdThitrQ7WuZD/Z4qsAw==
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

2026-09-17T10:35:28.071534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064673
observed 73605573c66bb855015233839bfd2b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.053994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064673/manifest.json
observed ac7ecc97f07460bb0e5250edca186c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.037734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064673/publication.md
observed 1aa966456f680de666f7f176ce5bb69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.021800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064673/publication.txt
observed fb4e353c18307133313809b921b1183c...
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.