OpenTechnical

OT-2026-000100661

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000100661) never changes.

Identity and time

Publication numberOT-2026-000100661 · never reused
Internal UUID01a0aea3-66f3-7cc6-8fb7-9615934b588d · 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-2026-000100661
StatusPUBLIC

Content hashes

Canonical text234830ccb8f35605db89fb7e77375198d62fbe84efde63cae3ce085efe824210
Markdowne2f48460f5bcb0948ea4e9df8796d334600fd639ddb33e925a16156f73364b9b
PDF
Publication page1b49a73a932981da37592f74f58984ade7fa4f5ea6733ebcafc1327758ba9afe
Manifest552698993c90a04278cca65fdafbad5978fa35c7e4b3d0fda9142cb4506aa48b

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
SignatureVZY+Ke79pgL8J40yTbtxXyxViiOCmST9e+E1g3ySZQg0jWCT2gBWSfxLcFQZQFA85gP1NQDWz14/8NGBt+BTAg==
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

2026-09-17T09:27:28.183224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100661
observed 1b49a73a932981da37592f74f58984ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.166882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100661/manifest.json
observed 552698993c90a04278cca65fdafbad59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.149986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100661/publication.md
observed e2f48460f5bcb0948ea4e9df8796d334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.132873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100661/publication.txt
observed 234830ccb8f35605db89fb7e77375198...
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.