OpenTechnical

OT-2026-000077549

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000077549) never changes.

Identity and time

Publication numberOT-2026-000077549 · never reused
Internal UUID01a0ae95-2ece-7209-b42b-db7c901aa631 · 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-2026-000077549
StatusPUBLIC

Content hashes

Canonical text6529854d80bebb0b51410f1fd926e94c970c1c649b1316c1745d435b09160351
Markdown6830f366284947c0681127a3fda901a57f2a015c44693f9d29e2030a69ee4e7c
PDF
Publication page8bbc6c669715f6b9c52d01b23f6979175a40d6f736eeeab856e6eeaa9998af38
Manifestd5c007669b02ebee6dade3f26e7f472127a0f10292726990541b3ef2c4dabc74

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
SignaturepPgvyeCTFhSEr70n92SyA9LHqza5f6KHtEkWe1mT8WBgUoImMdkJiJ1NvyHhYusHD7foeS4y+t0WMAEW+wFjCg==
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

2026-09-17T10:07:01.530791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077549
observed 8bbc6c669715f6b9c52d01b23f697917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.510886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077549/manifest.json
observed d5c007669b02ebee6dade3f26e7f4721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.488517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077549/publication.md
observed 6830f366284947c0681127a3fda901a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.468531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077549/publication.txt
observed 6529854d80bebb0b51410f1fd926e94c...
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.