OpenTechnical

OT-2026-000100571

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000100571) never changes.

Identity and time

Publication numberOT-2026-000100571 · never reused
Internal UUID01a0aea3-66f2-7ed2-bb2e-915d1d659d20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100571
StatusPUBLIC

Content hashes

Canonical text39a590e36d8c5b0edd09a3671df439e199ebd55848b6fa9225fbd4da29e88b68
Markdownce309b45bd8b42ae91cd00eff77f54f8bcff7284b1b2f6c820ca048d0a8c205a
PDF
Publication page107ee1ddb1b728ac9b0953c48a6b281569eb530e8008dca25a32b2799f3d7c96
Manifest8eec99ca920599c2eac767736aab1963573f68affe710ca0af79beac3b99f251

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
SignatureBCW/9S/QCBjTmI+NA6QyZ3wuzjIkmZ5YOmFX1zH3GnYJmfOi/OkjeEbVMhTGaXd3+zXoVhyLQS9oeGk6wva3BQ==
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

2026-09-17T09:27:21.066892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100571
observed 107ee1ddb1b728ac9b0953c48a6b2815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.049030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100571/manifest.json
observed 8eec99ca920599c2eac767736aab1963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.030435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100571/publication.md
observed ce309b45bd8b42ae91cd00eff77f54f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.012146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100571/publication.txt
observed 39a590e36d8c5b0edd09a3671df439e1...
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.