OpenTechnical

OT-2026-000077220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000077220) never changes.

Identity and time

Publication numberOT-2026-000077220 · never reused
Internal UUID01a0ae94-f508-7aa9-a6fd-6d56771b42ee · 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-2026-000077220
StatusPUBLIC

Content hashes

Canonical texte9f0396aa574ea5fd61cb536ea0c67735ca5332766294ff96e53adde02a784b4
Markdown8322dfdf77c05638fae72d12bd0dac1f0af944d171dc7ce1b344a726ffe4ffe3
PDF
Publication page88834d73c7afff29e27df62dfde1f745e4139175e27ecba41bd9a627d7379a87
Manifest1afcda60e864980b1d8f052d05407e27bff002f0f75d4d41a0cae60ddf6be6a4

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
SignatureDLMnNSfGpwb0/6q9e5ZPaeNrAUOAaE1PF9K8/mtvLZtCvKsFVonJskDwsE05foggEE7C5i3ykHzUlxHQIrJkBw==
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

2026-09-17T10:08:49.478863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077220
observed 88834d73c7afff29e27df62dfde1f745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.458770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077220/manifest.json
observed 1afcda60e864980b1d8f052d05407e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.439045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077220/publication.md
observed 8322dfdf77c05638fae72d12bd0dac1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.419188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077220/publication.txt
observed e9f0396aa574ea5fd61cb536ea0c6773...
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.