OpenTechnical

OT-2026-000043477

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000043477) never changes.

Identity and time

Publication numberOT-2026-000043477 · never reused
Internal UUID01a0ae7b-92ce-7d1a-9e8e-dc13a664f0f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043477
StatusPUBLIC

Content hashes

Canonical text673d5a40ac72999c68c186ea58cbe59baf4a49a9dfef1e714033ff9bfe87b6aa
Markdowndd445d49cec21e63bd73c699ce4743fd4c32affc1fc651191a6383ca1851a8e5
PDF
Publication paged31c3352134b30b2e8fd928564ee95ace30137a7a1b619d6b50dfe7148588c45
Manifest8b1392217e59afa764c435502b9260203920f71f7f5dc69b80635db6cc22df09

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
SignaturebifUsGFslf/g11FBfAZhKn4IIuJdiBU6ff6o03OZ+hjVcBHlhOmfWnB6/M1ppeRdcnhQQSGqythW8hTTnvcjDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:50.091007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043477
observed d31c3352134b30b2e8fd928564ee95ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.068662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043477/manifest.json
observed 8b1392217e59afa764c435502b926020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.047489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043477/publication.md
observed dd445d49cec21e63bd73c699ce4743fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.022789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043477/publication.txt
observed 673d5a40ac72999c68c186ea58cbe59b...
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.