OpenTechnical

OT-2026-000060678

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000060678) never changes.

Identity and time

Publication numberOT-2026-000060678 · never reused
Internal UUID01a0ae8a-b7ce-78bb-94a1-dff38d06a19f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060678
StatusPUBLIC

Content hashes

Canonical textcbb6d1667dadf9bce09176f7e21e6c643397edc9ddaa9553bf008c07754b480f
Markdownc8e39aa7ebd1d73145d90dbd9376f3b6c686e3f4422b4351e5166126449d8ded
PDF
Publication page9d135c663a95a647b43231cbeb3ed9edab263d40f4ed7a827aecae46c1626469
Manifestd7289cce56af352eca3aaea275f01be685c9d57922048ef0ffda56dd9bf84c36

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
Signatureh/oBKI617RMfgDraZbWSW4a0zjLGDggBYcQU3hv3GnmUWu49rwNW9AW6WadBSEaTT2HJ9IWHpiXQsy4re5j+DA==
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

2026-09-17T10:43:19.202159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060678
observed 9d135c663a95a647b43231cbeb3ed9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.186413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060678/manifest.json
observed d7289cce56af352eca3aaea275f01be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.169713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060678/publication.md
observed c8e39aa7ebd1d73145d90dbd9376f3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.152873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060678/publication.txt
observed cbb6d1667dadf9bce09176f7e21e6c64...
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.