OpenTechnical

OT-2026-000099495

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000099495) never changes.

Identity and time

Publication numberOT-2026-000099495 · never reused
Internal UUID01a0aea2-c974-703f-810b-53d095ee8e9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099495
StatusPUBLIC

Content hashes

Canonical textfef81a0946c719b68ef9a778047db8d36554a8b75fe21a4517bc0ff32034e8f4
Markdown20a5e2eedf3374030646ecb54f78e9eb24a5533a63f0249101a2d0f484e66983
PDF
Publication page206e4ffeaab2b3039699e2c7ca5e1452eb6853aa79604ea0ebf5309e0f78a497
Manifest8c61ee9079c9d816b5bf283265e372799b35ae254bf22f0e3f7449f09d09f776

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
Signatureu9u+WkWTLtGOea0Qes6SZxOJC3+EVbvZ1HDUkfa09qHUI4sY1KQfQ1Ft5YGcb6AFnErBmEWl+3Q9LOeiOTofBQ==
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

2026-09-17T09:29:23.364055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099495
observed 206e4ffeaab2b3039699e2c7ca5e1452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:23.345674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099495/manifest.json
observed 8c61ee9079c9d816b5bf283265e37279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:23.327939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099495/publication.md
observed 20a5e2eedf3374030646ecb54f78e9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:23.308603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099495/publication.txt
observed fef81a0946c719b68ef9a778047db8d3...
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.