OpenTechnical

OT-2026-000076197

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000076197) never changes.

Identity and time

Publication numberOT-2026-000076197 · never reused
Internal UUID01a0ae94-6a6f-7d6d-88ae-6e5fad3fd7e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076197
StatusPUBLIC

Content hashes

Canonical text0ff2621f9921653b7efbef3640bd679779d68bf37b7c98454a335b3267257557
Markdown56df9ce399d10ad6bc32929a19eb50dd5572f34f57c353ea37bb77a28b7e7f62
PDF
Publication page7919b8da12e35ca1fe6ae53d3de5b8bd68e4dbec86c0f813d993723007afdb68
Manifest3ad6f863676a234b08c4ed88e0fd106c73b1dd0aeb75e35ae284b42a1f9e57e4

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
Signature11nmYvg3BMqr45HY8XPFgeprL5q+fwAON4Qu1/ED58FddsrBVRltmlOz9hmNt+03m6niQP6ryoUXyIkW0/vNCw==
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

2026-09-17T10:11:32.237110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076197
observed 7919b8da12e35ca1fe6ae53d3de5b8bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.217816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076197/manifest.json
observed 3ad6f863676a234b08c4ed88e0fd106c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.199124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076197/publication.md
observed 56df9ce399d10ad6bc32929a19eb50dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.805913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076197/publication.txt
observed 0ff2621f9921653b7efbef3640bd6797...
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.