OpenTechnical

OT-2026-000043526

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000043526) never changes.

Identity and time

Publication numberOT-2026-000043526 · never reused
Internal UUID01a0ae7b-92cf-7ce6-902b-d4a836ace143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043526
StatusPUBLIC

Content hashes

Canonical text2364ae6acde59c1bb3ef251f1814923de31f1b64271473bc10ab734b0944427b
Markdownc5ff7c6ee616be63f4455f2d9772c8cbc57044a578b2d3d93a225acbfd7c4142
PDF
Publication page366baa020193be1fb3ce20961fb09657ad8c712b5a58ccfb04c643185a7a18e3
Manifest6ca1ca11602e6b0301005e0082d0f1ee97d7d648daf4f1e444f83d0d77952f62

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
SignatureuWLKMQSwICFlL2hwif3Tm9xNH/bCT10f8Y6395IekY9c6DXEtCpFfRZWo29sN+pt47KfpASMri6k1Mm7vDSIBQ==
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

2026-09-17T11:12:54.159977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043526
observed 366baa020193be1fb3ce20961fb09657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.138257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043526/manifest.json
observed 6ca1ca11602e6b0301005e0082d0f1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.118977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043526/publication.md
observed c5ff7c6ee616be63f4455f2d9772c8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.098796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043526/publication.txt
observed 2364ae6acde59c1bb3ef251f1814923d...
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.