OpenTechnical

OT-2026-000062578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000062578) never changes.

Identity and time

Publication numberOT-2026-000062578 · never reused
Internal UUID01a0ae8c-0ac1-7d52-a158-98161c3f0c50 · 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-2026-000062578
StatusPUBLIC

Content hashes

Canonical text84097ce9582912d71aaeee625fb021dfd8325be64d862f939aec8abf2426e0fb
Markdown7a4c170fc7f2dbed11a6e4d78e806c52381aec00aa924ec8a6cb20d6f9da286e
PDF
Publication pagefeffc3adbbc65e36cd7b1592626dc49ec81c25fd3c30ef9f2a0d985f7481025a
Manifest71137eb61cfc6824d5301bb16a702dc23c0a89893f85b14ee6a7d4f187ecdd0e

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
SignatureCIVAj1unumrAButMvYhoNm/E/DgjZrAtwfYsDd9BY596JofIe39PamlZTFIyHH7DE5Jf4I1g70amnZd1V8rQDA==
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

2026-09-17T10:40:03.919462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062578
observed feffc3adbbc65e36cd7b1592626dc49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.897517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062578/manifest.json
observed 71137eb61cfc6824d5301bb16a702dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.875907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062578/publication.md
observed 7a4c170fc7f2dbed11a6e4d78e806c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.852155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062578/publication.txt
observed 84097ce9582912d71aaeee625fb021df...
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.