OpenTechnical

OT-2026-000065988

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000065988) never changes.

Identity and time

Publication numberOT-2026-000065988 · never reused
Internal UUID01a0ae8e-8dc2-70e1-a41f-ad1cf42ff85b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065988
StatusPUBLIC

Content hashes

Canonical textfb5fb1d1aeae96b7a1f99e7b50b196e55b49c18e55903be0e28026b16bc3ab01
Markdown22c7a32243d79032b9e610661c396079f9a7c589ec9f410bf9c90ed294bd0d4d
PDF
Publication pagebea51b8e098ef6a48969892f0646543d320c68942f04becf33bff7ef8bef72ac
Manifest01f635758214b928675c2814f805d10150edd7b430599441f91635d40389a7e2

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
Signature7ZmbLdxwW/J4iUsyGvScl/7bDt+SzHB68USDgK7KZ5sSBQsF6kNgT4NPbzSrNHTuOSsyjL58Ho6zhH/XnUiyBg==
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

2026-09-17T08:50:29.497294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065988
observed bea51b8e098ef6a48969892f0646543d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:29.478664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065988/manifest.json
observed 01f635758214b928675c2814f805d101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:29.334130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065988/publication.md
observed 22c7a32243d79032b9e610661c396079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:29.313297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065988/publication.txt
observed fb5fb1d1aeae96b7a1f99e7b50b196e5...
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.