OpenTechnical

OT-2026-000080225

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000080225) never changes.

Identity and time

Publication numberOT-2026-000080225 · never reused
Internal UUID01a0ae96-7e76-7c95-a314-eee3e045e483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080225
StatusPUBLIC

Content hashes

Canonical textc76c887ba7301b5788d0b15edcd5617a7734adfae268045eccb06984a060ceac
Markdown98806a636824de4b6776bf1361b5a5107b42587495048e19761c93febf741b30
PDF
Publication page2129e499405e33ec01ffa03aa3c201dffbca7e670fd7510c4661e7630a00619d
Manifest1f27ebe36ba40786615bcb5dccb7280ae7f8915c46f275c15a4fdd391a7433db

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
SignaturehKrqiUO6EVsNKJc6/SPq5OQ+Gzqttza5Kwxg+ANHhl7XTiMQYpL3B+Tcjgz4tqx8kB0zlnAn0yNLq3bubcSJAg==
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

2026-09-17T10:02:40.811643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080225
observed 2129e499405e33ec01ffa03aa3c201df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.794892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080225/manifest.json
observed 1f27ebe36ba40786615bcb5dccb7280a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.778088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080225/publication.md
observed 98806a636824de4b6776bf1361b5a510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:40.759614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080225/publication.txt
observed c76c887ba7301b5788d0b15edcd5617a...
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.