OpenTechnical

OT-2026-000070577

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000070577) never changes.

Identity and time

Publication numberOT-2026-000070577 · never reused
Internal UUID01a0ae91-5460-71dd-998b-04ebc669901b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070577
StatusPUBLIC

Content hashes

Canonical text3fd450fe676f2b577cc84f25ee25d253d598588185710edd32ebdb61884e7cb0
Markdownc8f012cbe87b97fc47293f02403bfb3b1af59ef550dd3ae90ac0240f1d8a48b6
PDF
Publication page28514bf6d44696f2112c3b2d712eded1d31df40317c927cf61d538cc2d980e08
Manifest64947083ef8110f48889b9bddf5fcdfff708e38a8736baba0d9c8d7906fb6239

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
SignatureLe66fnu5sp0xkS9JYSB3J739Vds2v0e9K5YpON73gNXytLVsRo3JbSKpnovQHcinWa+c8FXa6zmA1BV1QDBGAw==
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

2026-09-17T10:26:25.776027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070577
observed 28514bf6d44696f2112c3b2d712eded1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.757198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070577/manifest.json
observed 64947083ef8110f48889b9bddf5fcdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.739819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070577/publication.md
observed c8f012cbe87b97fc47293f02403bfb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.721887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070577/publication.txt
observed 3fd450fe676f2b577cc84f25ee25d253...
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.