OpenTechnical

OT-2026-000010336

Publication integrity record

Single cup vacuum gripper, 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-2026-000010336) never changes.

Identity and time

Publication numberOT-2026-000010336 · never reused
Internal UUID01a0ae6c-0ee5-7a03-8b9d-50219754e992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010336
StatusPUBLIC

Content hashes

Canonical textb9c46a1878f2ace5a386b028d6a9cdfa7549b085ca6ebfd81e24a78205667057
Markdownf02d651d28fd98f14e17f780cf884a5f0946ab6addbe7c71a83e60df9b6af02f
PDF
Publication page409e50d3b51b9889ce5ce3b7dc61e65c67575946b873873fd61ebccd15ae1700
Manifest036a912237740345a3f741c569b51ee041aa32e8c9ea774498c2b5846e1f0375

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
Signature6/WIOwN1aQwNAV9fiZE8KRquMrkUOfIhSdfQo7IWC4bVcyGlfZmVhMnITqD4uUGz2JDxiae+rwowsfffXeMxCA==
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

2026-09-17T12:14:21.522720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010336
observed 409e50d3b51b9889ce5ce3b7dc61e65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.501997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010336/manifest.json
observed 036a912237740345a3f741c569b51ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.481300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010336/publication.md
observed f02d651d28fd98f14e17f780cf884a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.461417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010336/publication.txt
observed b9c46a1878f2ace5a386b028d6a9cdfa...
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.