OpenTechnical

OT-2026-000051122

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000051122) never changes.

Identity and time

Publication numberOT-2026-000051122 · never reused
Internal UUID01a0ae82-c7b6-7f4a-ae7d-28994aa69fb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051122
StatusPUBLIC

Content hashes

Canonical text0e9ab846cd1f9ba1e98b5fa14c989216638bc67c3ee5dcd146d2a91bbbf761e6
Markdown2707c82a8f868103abeb66e28a3d3a722e9c6603d078cb0e32e338d650737a34
PDF
Publication page1bf9d5b9b54b2a03638e3f195e013d517c8c96e7b8e7a8b788658ba865fff9d6
Manifest108a542380353982d7d62578771765923cffd913fad1db6634e824ee1d859bc3

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
SignaturezLyBPT37a1NEqkR9pjBKNR5WdhX6dAbn2w9J3nMNLxs+CYvgfUk1I42Z4ZwdXzTn6zzNQUdJQaffNhjWOFFpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:04.508065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051122
observed 1bf9d5b9b54b2a03638e3f195e013d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.487972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051122/manifest.json
observed 108a542380353982d7d6257877176592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.467155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051122/publication.md
observed 2707c82a8f868103abeb66e28a3d3a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.447062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051122/publication.txt
observed 0e9ab846cd1f9ba1e98b5fa14c989216...
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.