OpenTechnical

OT-2026-000097227

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000097227) never changes.

Identity and time

Publication numberOT-2026-000097227 · never reused
Internal UUID01a0aea1-01ca-7a8a-b097-87c1b8ede1da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097227
StatusPUBLIC

Content hashes

Canonical text80d287011f2e8a9071a369c3f298cecc9e962f94eab0d5188146459e3498a42d
Markdownb3833fde38b2c281972b38cf28c8fc2465ab2081b9f61b797387328dad5af6ee
PDF
Publication pagefc4a9614fc885a64ff9ffd6263fc37f5311eee097b8972fc3c2a8e1b29da89a5
Manifest1524d7533a8c99f08676f3d1f44d524d9dd04f9e1c90caeb9a3a2ec3d7c5a4a1

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
SignatureyqDt7EeF4g/L/m4uINNk+8QPRlwFWwJJa1WSkl8UIkmoy5ocJWEgtnKbKHRI/8iuhHFR+KqwlOSiQn8aQVHeDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:28.537540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097227
observed fc4a9614fc885a64ff9ffd6263fc37f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.520910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097227/manifest.json
observed 1524d7533a8c99f08676f3d1f44d524d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.505659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097227/publication.md
observed b3833fde38b2c281972b38cf28c8fc24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.489577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097227/publication.txt
observed 80d287011f2e8a9071a369c3f298cecc...
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.