OpenTechnical

OT-2026-000086790

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000086790) never changes.

Identity and time

Publication numberOT-2026-000086790 · never reused
Internal UUID01a0ae9a-80a4-7698-a260-a0ece4f6fa97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086790
StatusPUBLIC

Content hashes

Canonical text32fbcafc7e39e8ad3e87315a35863ca71a2871a9bacdb7b7067fa65e43c37150
Markdown5c82f681fc04e237f136b64555025c4564843c958d9a001d7ae257fed4725e2f
PDF
Publication page5133069f08f9fd5f6301466698e9f5e7bb6f61910e700e836dcf7ce61073660d
Manifest5ec49a97e510b415a38288cdc109dd791d75ceea6fb42f1e63b595a6bf72f48f

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
Signaturex8E/CWE1xTz346nr6LYfjpbUxG+leKo8Ebtkqh+cnBODRzQSSxlbM76y0sKxj8R8QE/0HQKgSkRb0V2vF226DQ==
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

2026-09-17T09:51:36.044850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086790
observed 5133069f08f9fd5f6301466698e9f5e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.027396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086790/manifest.json
observed 5ec49a97e510b415a38288cdc109dd79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.010784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086790/publication.md
observed 5c82f681fc04e237f136b64555025c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.993183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086790/publication.txt
observed 32fbcafc7e39e8ad3e87315a35863ca7...
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.