OpenTechnical

OT-2026-000072191

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072191) never changes.

Identity and time

Publication numberOT-2026-000072191 · never reused
Internal UUID01a0ae92-47c2-7e78-a3b4-0fc8e484c5f3 · 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-2026-000072191
StatusPUBLIC

Content hashes

Canonical text4c958e9178f48b19c672eef649a8d3ea9bbda0a9620445e8858bfa0f4cd4b480
Markdown10c0a860b54e57d136169a427e8ffc7675ae5e13e4400bad3cfee1d28d5cd91e
PDF
Publication page65e8eb8a14af9a4da02e54afac4e42db52c0410b311d52add903811db17b2616
Manifest1d00e88003784591490fceaaad30c50b6e3f3c0d268f54c2e4e7218e32f7023c

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
Signature6DY+qBKecIX8UuL8UXo+r4nIX6y75bvMlWcAHaLHppXnXTVaLWVxY/89YOfHdB3VidKU02iDVhszsV31xeq8Aw==
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

2026-09-17T10:23:17.489930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072191
observed 65e8eb8a14af9a4da02e54afac4e42db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:17.471945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072191/manifest.json
observed 1d00e88003784591490fceaaad30c50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:17.453672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072191/publication.md
observed 10c0a860b54e57d136169a427e8ffc76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:17.437186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072191/publication.txt
observed 4c958e9178f48b19c672eef649a8d3ea...
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.