OpenTechnical

OT-2026-000021404

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000021404) never changes.

Identity and time

Publication numberOT-2026-000021404 · never reused
Internal UUID01a0ae6f-865d-7bc9-99fc-25fc9e24f3bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021404
StatusPUBLIC

Content hashes

Canonical textedca7f6460bce27cc99158a639c35bfd5cc352b85bc82c0f4b0ba703e195c302
Markdown477082d8405b2e5cb0e2b473670e25a21b53ace69408650b28056e146979b4a4
PDF
Publication page66dd7568be9722730e420c6fd81c2c1c46fa128901622a11f258bfcbd0944dc2
Manifesta2cde60b172aceee7e43af872c56799b8eea50eff40bc6aad813785c7928cb14

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
SignatureueUmQ4b0RIMPgplu/HDe4H3RPkV116Q582MnQ/vCbTjSNZP6CvLFhXLN9foLzlLY/sZuxir1PgOakqX4RfDHAQ==
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

2026-09-17T11:55:17.935370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021404
observed 66dd7568be9722730e420c6fd81c2c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:17.914871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021404/manifest.json
observed a2cde60b172aceee7e43af872c56799b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:17.891450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021404/publication.md
observed 477082d8405b2e5cb0e2b473670e25a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:17.865163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021404/publication.txt
observed edca7f6460bce27cc99158a639c35bfd...
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.