OpenTechnical

OT-2026-000067074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000067074) never changes.

Identity and time

Publication numberOT-2026-000067074 · never reused
Internal UUID01a0ae8f-14fe-73fb-b5f9-19a7bd061d71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067074
StatusPUBLIC

Content hashes

Canonical textb574384441455fecf7a104485b12d4e1fad4f7fec1d959ab7345d4d0406c84e2
Markdown9d6d8c61e2d0c1600cf294c86cb7065c91cb1a5f77600a6f96ebb72742a629e2
PDF
Publication page2823395d36cc32cb549dd25d1b57790aea8407c0f516154ce68cafc2e9a58566
Manifestde1dadd5942d529d950d42bad2714616a6927a9de85f9e182c88f09f18815cd3

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
SignatureQ39DTPBf79y0OLKGRoqm7abBpamUXobHS0RJIoc+rLLVnNbq9cQMswr61JkwNgPrNu9HyRKwflFj1Tle5d8ZDg==
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

2026-09-17T10:32:20.131440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067074
observed 2823395d36cc32cb549dd25d1b57790a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.114530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067074/manifest.json
observed de1dadd5942d529d950d42bad2714616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.097710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067074/publication.md
observed 9d6d8c61e2d0c1600cf294c86cb7065c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:20.079623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067074/publication.txt
observed b574384441455fecf7a104485b12d4e1...
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.