OpenTechnical

OT-2026-000075787

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000075787) never changes.

Identity and time

Publication numberOT-2026-000075787 · never reused
Internal UUID01a0ae94-29fe-7f38-b660-308644d6e14a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075787
StatusPUBLIC

Content hashes

Canonical text47a114f7908b6be5bd4253ff39d99984167b45648fe97652aab1579422984131
Markdown6d256ef5261947b923ffb20fdff755d1d79fbe5d08d74108f690da1a16282b0c
PDF
Publication pageb5ce6c705973618fe4eb078a9ea72ccb5ccf2f26127fbf15f98bc84d1c0baf8b
Manifestf18ec7e051d738afb37d375e50b9bc9c810fce621dfec1799e6390f74d308205

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
Signature45TE75tIigJngs8F9TsdFz4PUXigq9I+pukj1pOHH6Q7u09FL0GyXEoqYDuV2EVrKcM0rbrF4+m/MuUEIkMYDw==
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

2026-09-17T10:14:15.003426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075787
observed b5ce6c705973618fe4eb078a9ea72ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:14.985584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075787/manifest.json
observed f18ec7e051d738afb37d375e50b9bc9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:14.967685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075787/publication.md
observed 6d256ef5261947b923ffb20fdff755d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:14.948974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075787/publication.txt
observed 47a114f7908b6be5bd4253ff39d99984...
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.