OpenTechnical

OT-2026-000044796

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000044796) never changes.

Identity and time

Publication numberOT-2026-000044796 · never reused
Internal UUID01a0ae7c-911b-7202-99ff-485da96215df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044796
StatusPUBLIC

Content hashes

Canonical texte4ef67aac607881422e874ce36ab82eb3a2b0b16e5a5a3dd24b1b0482734f474
Markdown4fc32ef7f08d55c64e01e313c92a84d3246384457002a543d7fcffb0ff374372
PDF
Publication page4f475144fe6301697c5696c945c3924bbb2d4dc80cfc0191b0df33998f160bfa
Manifest314095b2306af877458fceca79a3f580611e0838574b25cebf4f66a8308b5c34

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
SignatureAuGRPoEgAUGfxzC0RHGhgDNxrvp9BdlJ1ffk6ZD1wWsNciNawbki2B0ZuFIe7W7W/yY44n3Tvc5O/I54wgSnBg==
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

2026-09-17T11:11:20.281692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044796
observed 4f475144fe6301697c5696c945c3924b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.264125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044796/manifest.json
observed 314095b2306af877458fceca79a3f580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.245381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044796/publication.md
observed 4fc32ef7f08d55c64e01e313c92a84d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:20.177677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044796/publication.txt
observed e4ef67aac607881422e874ce36ab82eb...
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.