OpenTechnical

OT-2026-000072265

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072265) never changes.

Identity and time

Publication numberOT-2026-000072265 · never reused
Internal UUID01a0ae92-47c3-7106-beae-0df7b7e77eda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072265
StatusPUBLIC

Content hashes

Canonical text96ce0f3cdd89eaf2a95875abee1c2807af5aece264b29542710bd04294d03ba4
Markdownb51f794f836c9ca11711b192aca4fbf5a03056f4af816577b96d151e04e9f4de
PDF
Publication page00d3a3652d69df43af3d7627788611f67450e8d2015f0edaea9329c038d42abf
Manifestec6a5c82bdb01c5b1078c228d5bb660adce419e4cc7601d201de7074f4ff51e4

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
SignatureHl2LAdUF87QwmC4JYrIodoRdcWO5yvwD6wtNm2B4rVhxKs3bnSTnZ9+DRTMyfli/6wDmkW0gYZ2DM4b90u/MDw==
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

2026-09-17T10:23:22.618308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072265
observed 00d3a3652d69df43af3d7627788611f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.602287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072265/manifest.json
observed ec6a5c82bdb01c5b1078c228d5bb660a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.585697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072265/publication.md
observed b51f794f836c9ca11711b192aca4fbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:22.568567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072265/publication.txt
observed 96ce0f3cdd89eaf2a95875abee1c2807...
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.