OpenTechnical

OT-2026-000072024

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000072024) never changes.

Identity and time

Publication numberOT-2026-000072024 · never reused
Internal UUID01a0ae92-47c0-7d08-9fed-3914bfc92c01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072024
StatusPUBLIC

Content hashes

Canonical textf1cc4d7c138921a1d11c70b69388e54c6b5b005be4a7b1b6b5ebe1b35903f9db
Markdown312810743824887201a5ca06d3179c02749db091fbd8a653aa8cfc2e98f8b6b2
PDF
Publication page57046ae72d9b5c59125742645797efbb860df2d2f655248391345dc073f59766
Manifest0605531e7d316a9f6f7b4aa1f0d422dafe719c3fa98e007799d6036ebc4ec08b

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
Signaturej3+13fhYUybAtzoCroC7a/YIpiT/dE6iMzCucfcJEYImQJX+kk4mGWVwJ8h3Elc2bS6+UzE+Y3oeA3XuHkepDQ==
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

2026-09-17T10:23:05.130953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072024
observed 57046ae72d9b5c59125742645797efbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.114089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072024/manifest.json
observed 0605531e7d316a9f6f7b4aa1f0d422da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.097393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072024/publication.md
observed 312810743824887201a5ca06d3179c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:05.080859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072024/publication.txt
observed f1cc4d7c138921a1d11c70b69388e54c...
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.