OpenTechnical

OT-2026-000085427

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000085427) never changes.

Identity and time

Publication numberOT-2026-000085427 · never reused
Internal UUID01a0ae99-aaab-7461-b816-859187d28411 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085427
StatusPUBLIC

Content hashes

Canonical textb480b3e8c01742274b7193d926caa49d72b15e7060c8a4fe7dcf1358d3fb7237
Markdown23e2c912807c0f043ea06f4358b5c298ee70ee017f9dca2815902bac06ce863a
PDF
Publication page1c4385bf601137e1b529d8e8613f7f3c0a8b3deac15555966863ff52dfb01f05
Manifestf8284316be8fc822ad67a6d202c1274ff931020e01f957ef1a637881a2619bc8

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
SignatureQ/KUSBDezDb3GatqszwoIdhf+XmTanP41JHYp6wGlCEuAyaBpv9psAqtjQwrKBy0TFbhe/LWKDwxeuJ3LbXYAQ==
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

2026-09-17T09:54:12.486258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085427
observed 1c4385bf601137e1b529d8e8613f7f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.466446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085427/manifest.json
observed f8284316be8fc822ad67a6d202c1274f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.446572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085427/publication.md
observed 23e2c912807c0f043ea06f4358b5c298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.425531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085427/publication.txt
observed b480b3e8c01742274b7193d926caa49d...
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.