OpenTechnical

OT-2026-000062222

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000062222) never changes.

Identity and time

Publication numberOT-2026-000062222 · never reused
Internal UUID01a0ae8c-0abd-7194-bb4e-29c440c0cd14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062222
StatusPUBLIC

Content hashes

Canonical textf406bd02683a497a01a547ad3bc2c3c1d9595f0bdf573d21198c80daefec0a4a
Markdowndda03a93429e0fb48801e32782681e82f2ae722ac5213fd2e3db530cb43bc8b6
PDF
Publication pagea0450e396f3b3ec5870b83f1b57c270b5a6acfc374d934b081ece9008d716328
Manifestc76d6213dfff0c7d1384ff8fa6156fb21c3949280e885795bec0ca8b379206ec

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
Signature4xdnmvSdWtdTD2QxOZZgHapGpLE+BAEdOjI78QeQK+ieNDHZEYVjKTCHA9c5uV0Yc1VrFKlxPfgdu75+1oNuCw==
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

2026-09-17T10:39:29.638091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062222
observed a0450e396f3b3ec5870b83f1b57c270b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.620346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062222/manifest.json
observed c76d6213dfff0c7d1384ff8fa6156fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.603073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062222/publication.md
observed dda03a93429e0fb48801e32782681e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:29.585383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062222/publication.txt
observed f406bd02683a497a01a547ad3bc2c3c1...
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.