OpenTechnical

OT-2026-000049654

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000049654) never changes.

Identity and time

Publication numberOT-2026-000049654 · never reused
Internal UUID01a0ae81-8fee-769e-8d88-8d3d86d34fe8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049654
StatusPUBLIC

Content hashes

Canonical text0f3f140d21360eea31c55b533ab4b0aae61f451bb7a13fed9e4c78619e7098e6
Markdown64764618805f38381b6f4e941b1dd4ef33a1ace6c200da04259d9873dc5532ed
PDF
Publication page1b71bbea05c1957fdf8b4189f2c8a61abf847dea8d4d96cd8e2ba2611317f3de
Manifestbffd280c2a6361de7fd3229a315f2c6438a450b126da20994ccc0e7d3a318d98

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
Signature+CnKlzoX6Pp8pFYxP7mj9tIEhIo4qZ0QH0cxjhxFi7zP49w/rJL0CpkCNM4qXpIrKuLZhD7OegqrT+xfjRsxAw==
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

2026-09-17T11:02:39.243814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049654
observed 1b71bbea05c1957fdf8b4189f2c8a61a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.224249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049654/manifest.json
observed bffd280c2a6361de7fd3229a315f2c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.205317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049654/publication.md
observed 64764618805f38381b6f4e941b1dd4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:39.184849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049654/publication.txt
observed 0f3f140d21360eea31c55b533ab4b0aa...
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.