OpenTechnical

OT-2026-000072443

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072443) never changes.

Identity and time

Publication numberOT-2026-000072443 · never reused
Internal UUID01a0ae92-89d7-764e-8f63-57986f646d1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072443
StatusPUBLIC

Content hashes

Canonical text17cdad931461ed0f34a48c50bed016463058d9b5507690698025eb4b7bacebf2
Markdown7151281040eeb47d5065f024c1816d8cff0bc60dd4e5d757c7278e8e976d2b3a
PDF
Publication page03d03da8b53f381dd109110b8d132a76b8b594899b53d4b56d6d73bbc8ef10c6
Manifestec016b9a167ec121192ce013aa776a0c3b3b46ee110224feb474e1f7ef4837c7

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
Signature5b9N8NLys9pZlwoRcMmNaCKT5lWVsdFDEeCfr8JnJZW++5M5qjOGUiuY4/akxd3uSE7AHUAClmnZ4DZV5cGmAQ==
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

2026-09-17T10:22:15.789805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072443
observed 03d03da8b53f381dd109110b8d132a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.771672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072443/manifest.json
observed ec016b9a167ec121192ce013aa776a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.750673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072443/publication.md
observed 7151281040eeb47d5065f024c1816d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.729168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072443/publication.txt
observed 17cdad931461ed0f34a48c50bed01646...
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.