OpenTechnical

OT-2026-000071163

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000071163) never changes.

Identity and time

Publication numberOT-2026-000071163 · never reused
Internal UUID01a0ae91-e0eb-7a25-835d-a07c646a2cdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071163
StatusPUBLIC

Content hashes

Canonical textb2ad337bd1228d639474a3fe21853c8535856466c3034a368dad607ca81d942b
Markdowna8b25b13aae3273105f56dca1226d006d47ca92eccdd695dabec5e1357f0c8ca
PDF
Publication page0be5948b349845e4444ff7baa3c12a1143844d7355d61afca5afde3acfb17e74
Manifestaa7697616987d562fae300ba01581eb4d18cbb1e1ee98ba2906a6104c9595c28

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
Signature4tDDGk/u4dO6KeJ2C1JhRAsC1yOHankVdLSRf2tuYuQfFNnA3kq4CjaRMnmsmCp7ljFmUDV7fShUrUkYJ3yBDg==
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

2026-09-17T10:24:40.247431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071163
observed 0be5948b349845e4444ff7baa3c12a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.229644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071163/manifest.json
observed aa7697616987d562fae300ba01581eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.213159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071163/publication.md
observed a8b25b13aae3273105f56dca1226d006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.196034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071163/publication.txt
observed b2ad337bd1228d639474a3fe21853c85...
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.