OpenTechnical

OT-2026-000088935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000088935) never changes.

Identity and time

Publication numberOT-2026-000088935 · never reused
Internal UUID01a0ae9b-8f11-7467-aadb-e8af15fb7bc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088935
StatusPUBLIC

Content hashes

Canonical text74f32d30ec84b32ec69bb85b99a4a7b6904fac9196fbaf8a83cfb4282c8ffe7e
Markdown0c2689e5fe448b94b8f82e2cf2d2d33f6182d78e91df990b031028d8bd75b967
PDF
Publication page6d855eb1cd0d659b472186368f256c4d64f4714f59716ff6edc70dcaa099e75c
Manifest3fca6ab6e221382974db191a028e858b9a9d38f7b651cb1c09fb6f9fce2dc2b1

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
SignatureEHT88B0Ch13dXJlZXNwxnLOjyEIlZ+AEkR3ilXQK9o1tciRbBS7QkxBzuY6LQW3aP+ezXLQh91HVBbmVipWRDQ==
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

2026-09-17T09:48:20.687359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088935
observed 6d855eb1cd0d659b472186368f256c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.670164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088935/manifest.json
observed 3fca6ab6e221382974db191a028e858b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.652153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088935/publication.md
observed 0c2689e5fe448b94b8f82e2cf2d2d33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.634008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088935/publication.txt
observed 74f32d30ec84b32ec69bb85b99a4a7b6...
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.