OpenTechnical

OT-2026-000071197

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000071197) never changes.

Identity and time

Publication numberOT-2026-000071197 · never reused
Internal UUID01a0ae91-e0eb-7945-b14f-43fd1922db4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071197
StatusPUBLIC

Content hashes

Canonical text702728443e44e9a0da3e51c133907a9071b2d9b76b48052fd1f49d1a25b3a720
Markdownc9a3147abcb2cb3bcf836df17c242315b1ce85f511032c4cd6d8f9219cde2ddf
PDF
Publication pagec77cb93123ff7db4b44e127b43827569c710bcd879a554166896918549e6103b
Manifestb7f89b7a048989c4bb512b325174f43db78c5244b290c273b3dabb7100b6862d

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
SignatureWvBbo8Zcw6jiS9Jr5VziguTq3gXkLZ4dzOXZ7lDh+bBxQEwgPxvdNVm6qRfDhbKhHcwk5HsDu1QWVcHOJjUgAg==
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

2026-09-17T10:24:43.206442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071197
observed c77cb93123ff7db4b44e127b43827569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.190458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071197/manifest.json
observed b7f89b7a048989c4bb512b325174f43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.174899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071197/publication.md
observed c9a3147abcb2cb3bcf836df17c242315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.159188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071197/publication.txt
observed 702728443e44e9a0da3e51c133907a90...
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.