OpenTechnical

OT-2026-000085963

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000085963) never changes.

Identity and time

Publication numberOT-2026-000085963 · never reused
Internal UUID01a0ae99-e82a-7ca0-b33e-a18cf72935a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085963
StatusPUBLIC

Content hashes

Canonical text8ca62db1ddb91dc3ef541f70e24c8de2cbfcf561f9d179060c103c9d3a80d970
Markdowndd70784448d9bbb187c81a4cf976ab93a7f8f6b5458a7e63be0d69a0dbe1815f
PDF
Publication page1dfc6abfe982f432ebb4a07e1fe10d6e25f31ce416d5cf0535f3de9fc29d4997
Manifestb3a4de292a9a8a962dd0b735823182b29bd402a027624b92ce095a0376dd6701

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
Signatureiw/p82UsGWJAMcYmKYHGztQR793vi6255yKVGVsPmVRkZnpgrdn2LueZIqZ+8WN2kVPiU0PclzFnl6sil1tlAA==
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

2026-09-17T09:52:55.775018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085963
observed 1dfc6abfe982f432ebb4a07e1fe10d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.755116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085963/manifest.json
observed b3a4de292a9a8a962dd0b735823182b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.735533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085963/publication.md
observed dd70784448d9bbb187c81a4cf976ab93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:55.716621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085963/publication.txt
observed 8ca62db1ddb91dc3ef541f70e24c8de2...
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.