OpenTechnical

OT-2026-000072917

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000072917) never changes.

Identity and time

Publication numberOT-2026-000072917 · never reused
Internal UUID01a0ae92-c814-70d4-9683-774b2da04f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072917
StatusPUBLIC

Content hashes

Canonical textec5bf5d38f2bd1a5b9d542e6d707fbf5c9def77f9ac25761aaab4cc6d6b87f03
Markdown00f0ba6fba9a8b5520739bd27db011da046b6b46d2d8969597b6f3be03600082
PDF
Publication paged05150dc6958ee50f6efc7d17b531ee1b440efb5551ebdd80b647b8ded71473c
Manifest210fd55ae7dd5fef4c1f9b5d0d171942aa6b53c8cc33b7ebf11050af256b4e7d

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
SignaturegNpGD0GxYkrVhlTKETRWytX3PiVHT3uX8LQwOH6i7QL91Wl3wTwh+jQkaNiEvxI/9R3NNBbpzJORUJsL5WOYDA==
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

2026-09-17T10:21:49.769645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072917
observed d05150dc6958ee50f6efc7d17b531ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.752664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072917/manifest.json
observed 210fd55ae7dd5fef4c1f9b5d0d171942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.734199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072917/publication.md
observed 00f0ba6fba9a8b5520739bd27db011da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.716248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072917/publication.txt
observed ec5bf5d38f2bd1a5b9d542e6d707fbf5...
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.