OpenTechnical

OT-2026-000074362

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000074362) never changes.

Identity and time

Publication numberOT-2026-000074362 · never reused
Internal UUID01a0ae93-7179-75cc-97fe-e0a4a20a4a3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074362
StatusPUBLIC

Content hashes

Canonical text54feec0493ef48582ae2d912ef4def95841473b3087bc83df63e27dbefcc2c1f
Markdown9cd086eea0d3de2faa628dfde96145f3cc5ae908527197e5b31cf97e141337a6
PDF
Publication page2485c8825f1dbf6771a616bbe572a6bb1475ec0b1949e8bf543a336c30ea2508
Manifest17428c930af36dff110fd4a7440dfc8e5c0ac8c4ae0aa8a2c27adcaa5fcea0cc

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
Signature9A0Mws4aTjBcllAO4sx4Pv/Gem5u9DkPL+BFj8p9YS72Niyjr6JSh/kT1v1Jg4Slm5NazS+X57fxr7mRnOOfBA==
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

2026-09-17T10:19:17.324889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074362
observed 2485c8825f1dbf6771a616bbe572a6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.307086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074362/manifest.json
observed 17428c930af36dff110fd4a7440dfc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.288247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074362/publication.md
observed 9cd086eea0d3de2faa628dfde96145f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.268166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074362/publication.txt
observed 54feec0493ef48582ae2d912ef4def95...
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.