OpenTechnical

OT-2026-000072342

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000072342) never changes.

Identity and time

Publication numberOT-2026-000072342 · never reused
Internal UUID01a0ae92-47c3-7b58-8880-84cd1904bfe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072342
StatusPUBLIC

Content hashes

Canonical text8671ccd91e72f0af5bb9a208eb3a29330dc7bdc78f62d443338a80728ef4cb78
Markdown10412ff1cc34ecff16a61acbb3db711425c90a2897aede62f46f37c3d136e2e0
PDF
Publication pageb4c0ada6e439346004865ab060dd56f484b366750553ea36dec5428e62476bdb
Manifest9d1775bb09a952a1cc990641df761bf525cbe103ce61ccf294bb6f395f91d231

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
Signature+jM+2TYuu+95tfpQUpG80q1a03YVVBxyCk20HGsEGq63gB/fk57Ve4wzlJRTvaHWynhGOgMRu3mwmiyBQ15XBg==
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

2026-09-17T10:23:34.528325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072342
observed b4c0ada6e439346004865ab060dd56f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.513446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072342/manifest.json
observed 9d1775bb09a952a1cc990641df761bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.495602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072342/publication.md
observed 10412ff1cc34ecff16a61acbb3db7114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.478301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072342/publication.txt
observed 8671ccd91e72f0af5bb9a208eb3a2933...
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.