OpenTechnical

OT-2026-000077183

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000077183) never changes.

Identity and time

Publication numberOT-2026-000077183 · never reused
Internal UUID01a0ae94-f508-721d-9247-7b34f3d059b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077183
StatusPUBLIC

Content hashes

Canonical text9a39e270dd40c92d44b0523849d2632c907a5f822a0955b4b777d94cf43a573f
Markdown25ca70e6a1954133755f54e08fef9497f108072470874891fa505eb83e829a8e
PDF
Publication page778f529020bb315ca5bc77c3fbc9ec38b321810caaf3aadd8f50d5f4dfa6a9ed
Manifesta7aa537f108c868dd730ff9cd8f4c80a2ff62d7969bcbe8725f6b17d4fc8415c

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
SignaturehXZ0kqf4xUarKRNbecYRLP32H5UgGJVmN140GGNGe/ViCtkSFWhMNFpjsJaIoeVM/UGmDpaRhGTLHEUBquJvCg==
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

2026-09-17T10:12:02.245841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183
observed 778f529020bb315ca5bc77c3fbc9ec38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.221621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183/manifest.json
observed a7aa537f108c868dd730ff9cd8f4c80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.043387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183/publication.md
observed 25ca70e6a1954133755f54e08fef9497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.018836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183/publication.txt
observed 9a39e270dd40c92d44b0523849d2632c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.431322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183
observed 778f529020bb315ca5bc77c3fbc9ec38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.396628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183/manifest.json
observed a7aa537f108c868dd730ff9cd8f4c80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.376397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183/publication.md
observed 25ca70e6a1954133755f54e08fef9497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:39.357543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077183/publication.txt
observed 9a39e270dd40c92d44b0523849d2632c...
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.