OpenTechnical

OT-2026-000014950

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000014950) never changes.

Identity and time

Publication numberOT-2026-000014950 · never reused
Internal UUID01a0ae6d-d095-7801-84ea-a5ffbe69ff99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014950
StatusPUBLIC

Content hashes

Canonical textbbb915d5bf304b845b46d6ca5328ec7e9b4f7d70f72aa1f84462326065a0563c
Markdown8bf0a5aebd3c9a648795d96f255b6983c349fab3e5ff71e06113d962dea0ebf6
PDF
Publication pagec5c7fe9b8ad7b442564dbc95d0ae52ddaf76c6cdd17bd1bedabd5ee0407227a2
Manifest35cd014027204fe156531704d1b24f0528e766ce91508a041eeb5ea7083e3eca

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
SignatureUpxc33CUKRn6PYmt7s3npftjD0kr2TdKUZV4A4xNr0F6fvz6PWUGS7PveLNfDX9iSLSDb2H8KFtepMAxZ5exCg==
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

2026-09-17T12:06:53.980809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014950
observed c5c7fe9b8ad7b442564dbc95d0ae52dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.959496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014950/manifest.json
observed 35cd014027204fe156531704d1b24f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.938166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014950/publication.md
observed 8bf0a5aebd3c9a648795d96f255b6983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.918525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014950/publication.txt
observed bbb915d5bf304b845b46d6ca5328ec7e...
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.