OpenTechnical

OT-2026-000077796

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000077796) never changes.

Identity and time

Publication numberOT-2026-000077796 · never reused
Internal UUID01a0ae95-2ed0-70c0-b2fd-f1c3d518d58f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077796
StatusPUBLIC

Content hashes

Canonical texte7aa6c37621564d68e5a57f0371c25d808e298400a01182db642a4751cc1739b
Markdownb3172078a4202c9c8873405aa3ca1a70129d88864997e5ca713f92ae13ecc534
PDF
Publication page909b52734423f7ab29a29df00def24d6ffa212f9fc7e74224b322cc7e9b99218
Manifest9fabfc90b48b4f9525ed8b8101e430d8ac111ab09297b0ed9469dde5f119c435

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
SignaturezlcUeuYH+WbfErKT35qq9Dqvwukx/8ob5ioWhVbfq7Y867WTLA0ZPaqz7ny3LWnoZTL5AZuLUDOKD+1w3wdLBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:23.015810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077796
observed 909b52734423f7ab29a29df00def24d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.995459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077796/manifest.json
observed 9fabfc90b48b4f9525ed8b8101e430d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.973898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077796/publication.md
observed b3172078a4202c9c8873405aa3ca1a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.950025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077796/publication.txt
observed e7aa6c37621564d68e5a57f0371c25d8...
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.