OpenTechnical

OT-2026-000013767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000013767) never changes.

Identity and time

Publication numberOT-2026-000013767 · never reused
Internal UUID01a0ae6d-8de9-7384-b566-97d3424f0a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013767
StatusPUBLIC

Content hashes

Canonical text1f9c5ddf090541d7e7f173691d7f35053284c9894fec89ab83ad95de07a1ab5d
Markdown881e8f05ff4ed2cb333989a065893dc58a86cf6a505b32d45d965c51dc29ce36
PDF
Publication page32d53ff1a92e6b517195044afdb01b71f961f6f0d260dbb130953d33c90743db
Manifestaf74ab498774579a8e8cd3c6efadff023dba548fd00238fad67c979d059b5dbb

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
Signature6ph0smdIu4TP9u3JGbAL18lvQ4YJd/4nYBpYhzyZZJAAOwCu7+HjdaPGdGToQ4wjXaVEKSEFnwn2CwtT0oo4Cg==
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

2026-09-17T12:08:50.702042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013767
observed 32d53ff1a92e6b517195044afdb01b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.681441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013767/manifest.json
observed af74ab498774579a8e8cd3c6efadff02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.659418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013767/publication.md
observed 881e8f05ff4ed2cb333989a065893dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.638250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013767/publication.txt
observed 1f9c5ddf090541d7e7f173691d7f3505...
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.