OpenTechnical

OT-2026-000022392

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000022392) never changes.

Identity and time

Publication numberOT-2026-000022392 · never reused
Internal UUID01a0ae6f-f4fd-7b3e-844c-3571516975f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022392
StatusPUBLIC

Content hashes

Canonical text66ff6d6a6f9f498eac23ec447fe46184e3ee2ac752ffec1d4c80141da67447c8
Markdown6fbfc314ef66875c0bc2f82822960a4686dd6cfc1f2a2a4161d064febd769b1a
PDF
Publication pagef25fe8c06c693fdaa8b932bad2ee1e438de698670c966fff2ea887ed3db6bc01
Manifest33ff3a5bee2c304777252b428101b49dec1951a2bc00a60532cf98a664a2f89e

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
SignatureUZWywrzgrBUhcpX9sw9mQ1hJuLGdaly5IBK40BsZZKXOCWv/rZx1gKuCMyF5ruYi50aw2E45Ne6iL/D+FiAwBw==
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

2026-09-17T11:53:46.286530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022392
observed f25fe8c06c693fdaa8b932bad2ee1e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.268910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022392/manifest.json
observed 33ff3a5bee2c304777252b428101b49d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.250488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022392/publication.md
observed 6fbfc314ef66875c0bc2f82822960a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.231403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022392/publication.txt
observed 66ff6d6a6f9f498eac23ec447fe46184...
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.