OpenTechnical

OT-2026-000077801

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000077801) never changes.

Identity and time

Publication numberOT-2026-000077801 · never reused
Internal UUID01a0ae95-2ed0-7e8a-9b14-6acb5286b7be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077801
StatusPUBLIC

Content hashes

Canonical textf97d4371f8d65c8f21f838872219b89e0b4880c8a4430cc1116a0f73db8b5eec
Markdownedf170e844eae0f406916660b9fc3fb45dad80f7bd7543e49d1fccf01e49aa16
PDF
Publication page0a36a7bd07da7ab57a812024f2432367c9a819ecb7ec33dde5c863a95910e176
Manifest803a37e80691689cfedf88e9dfc2db05d0173d3b3e516b252ce46cb97363592d

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
Signaturesa327HXi945C4PdmRBXaW9Nx4phgfO2RI9soFSFyg3+S726N8yvg5C3WPdTHiRXVYoXm0zk3bB6ItLbRJwexCQ==
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

2026-09-17T10:07:23.517880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077801
observed 0a36a7bd07da7ab57a812024f2432367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.498021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077801/manifest.json
observed 803a37e80691689cfedf88e9dfc2db05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.477349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077801/publication.md
observed edf170e844eae0f406916660b9fc3fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.457204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077801/publication.txt
observed f97d4371f8d65c8f21f838872219b89e...
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.