OpenTechnical

OT-2026-000080899

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000080899) never changes.

Identity and time

Publication numberOT-2026-000080899 · never reused
Internal UUID01a0ae96-b975-777d-9cff-30951cdf13f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080899
StatusPUBLIC

Content hashes

Canonical textcc237c5cb07575da35a8160d132c091c664c2ab7322b64e931df86d9188e8176
Markdownca18523f736bc5f85c0f1a4355df8b2b962c8d9dc24b75816afa9c755c7465ab
PDF
Publication pageccc479b1f0e342cb46503b54c134421020ffba7962c92ed5ad3dde13a7a0a6f3
Manifestb2f8bdd7f4b9151c428f4f14b427928e14aff7eebc8fdc5768de9bbb52239de6

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
SignatureeQ4vVevSg4WPkTfNJ0SVXbOkbiFAE8fIAzwNHPQcmJmOZLcWLtLmvdyiILG1QHhp/kKqEz8Cbp/XmdIGzEqkDQ==
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

2026-09-17T10:02:06.066681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080899
observed ccc479b1f0e342cb46503b54c1344210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.048616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080899/manifest.json
observed b2f8bdd7f4b9151c428f4f14b427928e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.031474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080899/publication.md
observed ca18523f736bc5f85c0f1a4355df8b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.013588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080899/publication.txt
observed cc237c5cb07575da35a8160d132c091c...
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.