OpenTechnical

OT-2026-000099543

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000099543) never changes.

Identity and time

Publication numberOT-2026-000099543 · never reused
Internal UUID01a0aea2-c975-793f-93ba-808cda923711 · 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-2026-000099543
StatusPUBLIC

Content hashes

Canonical text3b0945c97cc8b604be6507cc5f2159b06c1ad7f60e8435a687a8549ec22704f5
Markdownf8309c422ccb901b75f5c8be8a75c3da7e1955540174425dc4b24e7ade80d47f
PDF
Publication pagea67e70d86121d51467860ede021c4bdaaf183c6a0dc8bc694a7e1f877095d8e3
Manifest745f55bc57c7f5a202d4f956b6d68710f8ba1baebb4e3f133759a8d6b861a370

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
SignatureJDRLYrLilY8AWU5C8VlY5kobli3/7Cn67KxKnn7SO9NU+WJ/niOB4QTfYZ1QK9LJoPQ1JT6NBZCanbr61OX1Ag==
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

2026-09-17T09:29:26.854904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099543
observed a67e70d86121d51467860ede021c4bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.836040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099543/manifest.json
observed 745f55bc57c7f5a202d4f956b6d68710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.817776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099543/publication.md
observed f8309c422ccb901b75f5c8be8a75c3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.800817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099543/publication.txt
observed 3b0945c97cc8b604be6507cc5f2159b0...
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.