OpenTechnical

OT-2026-000027508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000027508) never changes.

Identity and time

Publication numberOT-2026-000027508 · never reused
Internal UUID01a0ae72-6998-73d2-baa9-27832add81c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027508
StatusPUBLIC

Content hashes

Canonical text7113325859fd8c74182ddd8e1a6c3f2a1132b6737a1ad0d6c76075282f994e1f
Markdowndb6977381ef467d2206e60da4675d116d0aea10bf9d36e0c705152cbcac1c7ee
PDF
Publication page52c8911664589674ce3c60f09a2fa461fec1a637823d9bf381d20a34378c06d3
Manifestbe79172e33986b676620eb76e4124141a2fdf6132ab242e822399d6f0bfbcda6

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
SignatureIKMoR34DMrmG7oxihwueoFLLeISzjae5jCafKQrbYL4OMELGNX+Ukuo8OCBZ0krHfffLXcFJCYMNyQeSs/b/AQ==
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

2026-09-17T11:42:58.991209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027508
observed 52c8911664589674ce3c60f09a2fa461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.842536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027508/manifest.json
observed be79172e33986b676620eb76e4124141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.824886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027508/publication.md
observed db6977381ef467d2206e60da4675d116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.806831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027508/publication.txt
observed 7113325859fd8c74182ddd8e1a6c3f2a...
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.