OpenTechnical

OT-2026-000088456

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000088456) never changes.

Identity and time

Publication numberOT-2026-000088456 · never reused
Internal UUID01a0ae9b-5d28-7966-86ae-1f5545e50574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088456
StatusPUBLIC

Content hashes

Canonical text4358bb14cebe1b87f23c67ac0da6dafa795f74eabe2f7497869f78c320af1386
Markdown3ba2787c9564018e2c3b2a8dabd89e05429bda709584239c0acfa246e14b3a92
PDF
Publication page9b8017a48aa37ce5561e11fafdc98e3d964adef665eaafb086a55b1b01edb64a
Manifest3f693aab3090933564c3354d5c7e95be1632cf5e80feb42e0c3e972773c57d0c

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
SignaturewOXOTtZY6691CFtwDWA3j+asDaEGJt+QSQ18YnbKyOrj20A8eabXhYPEF5G/ogsojwB8c3mEGRhJvg+m2xbiCQ==
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

2026-09-17T09:48:50.283059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088456
observed 9b8017a48aa37ce5561e11fafdc98e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:50.266947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088456/manifest.json
observed 3f693aab3090933564c3354d5c7e95be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:50.250751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088456/publication.md
observed 3ba2787c9564018e2c3b2a8dabd89e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:50.232697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088456/publication.txt
observed 4358bb14cebe1b87f23c67ac0da6dafa...
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.