OpenTechnical

OT-2026-000073124

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000073124) never changes.

Identity and time

Publication numberOT-2026-000073124 · never reused
Internal UUID01a0ae92-efb5-7b72-921d-fb2c6a18fb40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073124
StatusPUBLIC

Content hashes

Canonical textf7e6613af61798eb2ccf630855395e2d33cbd1f987d894bd6eb847d722a314f4
Markdownf354c1d1be9eb5d7b4530acafd0e6441c8f799c1a0b1aa475ec3ce4f4f618f7d
PDF
Publication page786954949a17af8d6f10c3fbcc8d12cd2d84d290ae62868ca397aede8098b7db
Manifest93828d30596082d573832dfe853972f5ca512d4c0c49847da27c14df572d17e7

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
SignatureRbmPiIDdtZ1KWsNgG/VokQCgXzvmHoz/0qvMYGQf+RJv9ymFnmtNbTENhGbBAcys3zAkhZLSRqfSuaP5dKTfBg==
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

2026-09-17T10:21:03.333016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073124
observed 786954949a17af8d6f10c3fbcc8d12cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.316362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073124/manifest.json
observed 93828d30596082d573832dfe853972f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.297427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073124/publication.md
observed f354c1d1be9eb5d7b4530acafd0e6441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.278756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073124/publication.txt
observed f7e6613af61798eb2ccf630855395e2d...
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.