OpenTechnical

OT-2026-000062572

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000062572) never changes.

Identity and time

Publication numberOT-2026-000062572 · never reused
Internal UUID01a0ae8c-0ac1-7911-839c-098b603470e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062572
StatusPUBLIC

Content hashes

Canonical text9f59b9c070fc367f5ca1376743ff2a7121813a14076def7c204b78a208513618
Markdown4dca4985af461a375c00ab99699ab3fa35bb25ff50a2f78055f000cc263b1928
PDF
Publication page41c8c02678f749db1d7d686743c3bd2ec990ff0f42ed97626540d255859a421d
Manifestbe548551e37e94bb9efb0951c85df915bcb330434407a1f45509b6ab739e784a

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
SignatureaIf2QQQcdz2v/Ji5EB+VYGYP5TZjfq8eCiD3nMY5OKbToyPE6GsRE5HbsJecCDzerz169pH9TdunlDwDuAadBg==
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

2026-09-17T10:40:03.382290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062572
observed 41c8c02678f749db1d7d686743c3bd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.357576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062572/manifest.json
observed be548551e37e94bb9efb0951c85df915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.335559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062572/publication.md
observed 4dca4985af461a375c00ab99699ab3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.315114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062572/publication.txt
observed 9f59b9c070fc367f5ca1376743ff2a71...
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.