OpenTechnical

OT-2026-000006570

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified at each zone, polyurethane cups, flat form

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-2026-000006570) never changes.

Identity and time

Publication numberOT-2026-000006570 · never reused
Internal UUID01a0a95f-dfea-7e18-9c08-99dcf49c6c61 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:27.885046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006570
StatusPUBLIC

Content hashes

Canonical textd80c2f1d9cfe03710c8ddba6a6a369fbf00e2602686c48241726a9dd9d624eb7
Markdown45375124b3396cd2af5c18b882cc91583c191a9ca8bf47fdb6a93de9f0ff9c6f
PDF
Publication page6b19370e638322a86c14b005940ab5b9d7243cef0c1187e4118301b9051704d3
Manifest13e38ea9995b62b5fd3ff06b02592300fd13d73d39d53b3216984e60bd967d9a

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
SignatureZ3430ZauKPgx+1NfxFhvTorrcWye4uskUbgAbujeX1kC0Uqc6yZ6qAN7ocJxV6sm7Bc46AxeJe7Y3IKBojD/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:29.734699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006570
observed 6b19370e638322a86c14b005940ab5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.721834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006570/manifest.json
observed 13e38ea9995b62b5fd3ff06b02592300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.709227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006570/publication.md
observed 45375124b3396cd2af5c18b882cc9158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.697202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006570/publication.txt
observed d80c2f1d9cfe03710c8ddba6a6a369fb...
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.