OpenTechnical

OT-2026-000075221

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000075221) never changes.

Identity and time

Publication numberOT-2026-000075221 · never reused
Internal UUID01a0ae93-f200-7fea-9417-eebed2a8a1e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075221
StatusPUBLIC

Content hashes

Canonical text5da07cd1c1806fa168bbfc6000cd283f686d038b748939b50a6e112b99bb082f
Markdown53a937d56680fb8b555570e8455be7db702edd3eb6239571a7e7b0a6a1afaa37
PDF
Publication pagef5ca55e0cd3b9f7573cacba9c4a17d3fb067ba655c5300d1e5b121cf88d8e3f7
Manifest852824d1a9314fdeeb4a50fa5da93ecb652e9564e4ccb13ef5ca60b28128ec3f

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
SignaturerDpKF+Zu6/9XYyy6bkFHmQbP/68qoWPpNVWFpOP7fJFgJGLRvDsGwk7CBTAe0u7RJPdGdbZ0mD3JQkg2NDvKAg==
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

2026-09-17T10:20:30.133145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221
observed f5ca55e0cd3b9f7573cacba9c4a17d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.113809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221/manifest.json
observed 852824d1a9314fdeeb4a50fa5da93ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.094028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221/publication.md
observed 53a937d56680fb8b555570e8455be7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:29.847925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221/publication.txt
observed 5da07cd1c1806fa168bbfc6000cd283f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.946273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221
observed f5ca55e0cd3b9f7573cacba9c4a17d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.802710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221/manifest.json
observed 852824d1a9314fdeeb4a50fa5da93ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.783436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221/publication.md
observed 53a937d56680fb8b555570e8455be7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:44.765219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075221/publication.txt
observed 5da07cd1c1806fa168bbfc6000cd283f...
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.