OpenTechnical

OT-2026-000100270

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100270) never changes.

Identity and time

Publication numberOT-2026-000100270 · never reused
Internal UUID01a0aea3-3053-7a05-8328-ba6bbc9c5359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100270
StatusPUBLIC

Content hashes

Canonical textc54399ee514391c0ab6e18b8831e0c4334d4dde90bfa91d25e497a852411448a
Markdown9389adadcc66ddfc3dc8c389696bbb1043ec6e32cbcc0a7f769d327f955f1d6b
PDF
Publication page8c75e4f9886a9cddad64065c468de1257e35ea789af4d99d51a28f36494de1d0
Manifestdfe0c3601df0ba13397564b950f08331568632c210d4150ff44e9d9bb8fbedc1

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
SignaturefqY9h5LIf/aG5ppWn9NqdyOw98Bei+qwH8NGMfmKgKABjU3uA2RM8sB5NXowhqn74zJ/Q0CDvd1KLmPY4U9qCA==
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

2026-09-17T09:30:04.691542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270
observed 8c75e4f9886a9cddad64065c468de125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.672655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270/manifest.json
observed dfe0c3601df0ba13397564b950f08331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.655005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270/publication.md
observed 9389adadcc66ddfc3dc8c389696bbb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.639440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270/publication.txt
observed c54399ee514391c0ab6e18b8831e0c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.350007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270
observed 8c75e4f9886a9cddad64065c468de125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.330190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270/manifest.json
observed dfe0c3601df0ba13397564b950f08331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.310312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270/publication.md
observed 9389adadcc66ddfc3dc8c389696bbb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.291883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100270/publication.txt
observed c54399ee514391c0ab6e18b8831e0c43...
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.