OpenTechnical

OT-2026-000042764

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000042764) never changes.

Identity and time

Publication numberOT-2026-000042764 · never reused
Internal UUID01a0ae7a-c0d0-702b-a647-62ab3822b2da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042764
StatusPUBLIC

Content hashes

Canonical text467c7dd6c6dcb9aebf2710942b4f394b08e515a367a4666a94705b4d6251be79
Markdownd469236e773464e79af830ea10b1ff7e6a968e6fcdb3bda23428872ccd3efb4e
PDF
Publication pagec84ca4b55e799f694c7215cc91d9df032d07b2e6fe13013aedf8a9d3ddf5aec4
Manifest74713b2f6e67f3776dcca7d8adf5c1c9d944fa17a3d8b0ae702055f2b6f2f78e

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
SignatureVl2sj1yoazbtx8dquW4Nv9kcwI/6yFuwZx9v5OnXoNFGyvjMG1WWdgyr5xot9Ou5Gw6y3W9X96kh9OGY2Z8yAA==
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

2026-09-17T11:15:13.236412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042764
observed c84ca4b55e799f694c7215cc91d9df03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.214998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042764/manifest.json
observed 74713b2f6e67f3776dcca7d8adf5c1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.194166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042764/publication.md
observed d469236e773464e79af830ea10b1ff7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.174254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042764/publication.txt
observed 467c7dd6c6dcb9aebf2710942b4f394b...
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.