OpenTechnical

OT-2026-000084289

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000084289) never changes.

Identity and time

Publication numberOT-2026-000084289 · never reused
Internal UUID01a0ae98-5b61-7ef4-8e3c-16057384c574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084289
StatusPUBLIC

Content hashes

Canonical textb040b0e44f2335ee20d37934e277fada951127b6feba3effeba33a9eaac796da
Markdown767a4fca4d0999b7657771bea303002b5008a980ba16d0102a887230f32fa4cc
PDF
Publication page73f02c94a33bdd2af5c5f49135cc26578a6e61ee2137155c006aa8ceec29fe17
Manifest7aac2ee838ea082c74243524a5dc9d0092b40526999ee8232e005d768ad5afde

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
Signaturet59wPmW16tvFVMir9NB2ExHc++juL6SYq8JowTJlzBGZLA3X/CBwBFaB7JkU4LXTlBsnvECo8oQGqXTHl9oaAg==
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

2026-09-17T09:55:51.548858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084289
observed 73f02c94a33bdd2af5c5f49135cc2657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.530797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084289/manifest.json
observed 7aac2ee838ea082c74243524a5dc9d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.495447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084289/publication.md
observed 767a4fca4d0999b7657771bea303002b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.460710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084289/publication.txt
observed b040b0e44f2335ee20d37934e277fada...
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.