OpenTechnical

OT-2026-000099549

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000099549) never changes.

Identity and time

Publication numberOT-2026-000099549 · never reused
Internal UUID01a0aea2-c975-74d8-af0c-e6f44333405d · 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-2026-000099549
StatusPUBLIC

Content hashes

Canonical text7f6cd43ab462655c80c5ebbb48a156498ca24bfabd9a698952b10399b716e85d
Markdown5526ed54a8e5f1ee3ae8616c361fbbf86d5cf3671041c58aa20d67df19fe989e
PDF
Publication page8c496a031ecabdce8c779f8ce0ff40cc66e78ff659da193cb9b5c35ef59c2dd9
Manifest86ee267e3bc95488441cf2db237d4e790f10b55aa57710eb9cb668a5c93ef833

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
SignatureipxnT6bdfd144ROUsz823xZKqkAs+b0nsBxLzIkj81fZyBNZDMvSXVEFAiVOrl/JAVnshadurt5Usy4L9X6oBQ==
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

2026-09-17T09:29:27.359114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099549
observed 8c496a031ecabdce8c779f8ce0ff40cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.340252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099549/manifest.json
observed 86ee267e3bc95488441cf2db237d4e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.319588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099549/publication.md
observed 5526ed54a8e5f1ee3ae8616c361fbbf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.301873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099549/publication.txt
observed 7f6cd43ab462655c80c5ebbb48a15649...
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.