OpenTechnical

OT-2026-000049631

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049631) never changes.

Identity and time

Publication numberOT-2026-000049631 · never reused
Internal UUID01a0ae81-8fed-7689-a681-85b809f7c0e9 · 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-2026-000049631
StatusPUBLIC

Content hashes

Canonical text1bb5d869ae9eabcd65f8d0467598500b130320ffd0b461e1103aeceb2cd9bca8
Markdown59686a3e11926c35b3c519e08a4df5e54ebf7fd9b50242061358b3ef0fea143a
PDF
Publication page981291fb55513b157247afca68a68efdddbba57971bd27819b12f071f47f4a40
Manifeste11a29a0cc9b79197afc4cdb3ae7ec6b7837ef3bfe8d1205db85c3217827ea28

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
Signature4F1erUY3AkU//dt25bDifNvdT0fn45MXc6DIF6ntvB+tooNBWADP+y1ZQ1kB+3NFV6MmyzNgDQIQnUmx2MBrAQ==
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

2026-09-17T11:02:37.393865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049631
observed 981291fb55513b157247afca68a68efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.373208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049631/manifest.json
observed e11a29a0cc9b79197afc4cdb3ae7ec6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.353155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049631/publication.md
observed 59686a3e11926c35b3c519e08a4df5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.335705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049631/publication.txt
observed 1bb5d869ae9eabcd65f8d0467598500b...
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.