OpenTechnical

OT-2026-000063166

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000063166) never changes.

Identity and time

Publication numberOT-2026-000063166 · never reused
Internal UUID01a0ae8c-94ab-7226-9744-f5fff22837fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063166
StatusPUBLIC

Content hashes

Canonical texta95c0117a7b30736047f4442390ab7715627235539603092b51217a17965c80b
Markdown224e89f693ad1828f219f26d419e9de3916b7c4a558d769d8bb04563334452d9
PDF
Publication page6855bdfbea38976f7f1af1d9a24dcbb54c14b00b73892eac034b8a6206b1fb73
Manifestb5378321be67545c43db3e8402149369b05898bbe1c5bf102a3461065f4caf77

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
SignatureYbD7LrwTdDUEeWFfV7WFo1NO0TKTFg8sIan2RPWYvtmUOjwy63DNvYJpTNuDRa4GQobU9G2NgjqwC1nQBq/HCQ==
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

2026-09-17T10:38:57.371312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063166
observed 6855bdfbea38976f7f1af1d9a24dcbb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.352238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063166/manifest.json
observed b5378321be67545c43db3e8402149369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.333746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063166/publication.md
observed 224e89f693ad1828f219f26d419e9de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.315463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063166/publication.txt
observed a95c0117a7b30736047f4442390ab771...
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.