OpenTechnical

OT-2026-000073337

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000073337) never changes.

Identity and time

Publication numberOT-2026-000073337 · never reused
Internal UUID01a0ae92-efb7-7e4c-b2b2-c76bcf263296 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073337
StatusPUBLIC

Content hashes

Canonical text31c097861dc6c5261845070fbb1bf10c149b43943e0371c4fb2c1f91160dc6b8
Markdownf37be80d3395cdbdfc7399db6966d5b864ff71fc9e763128c2d335fd3eaa1aa4
PDF
Publication pageebb773ba3ab92718ebe90d712e90d6b5af606ed483e65252cad61b29720e7ef6
Manifest37330107809f8307a1185037aec24a1d5070a246e446b3cfe1193a1ea5dd6cc4

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
SignatureVFFrOOUmkhRPI56ugNfKkEDqgS0uLyEpnBUzildcpRrSBKIKW728phoH+JA70r/Yam50gZdS83HhGrFZEA0XBw==
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

2026-09-17T10:21:21.460695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073337
observed ebb773ba3ab92718ebe90d712e90d6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.440284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073337/manifest.json
observed 37330107809f8307a1185037aec24a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.422938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073337/publication.md
observed f37be80d3395cdbdfc7399db6966d5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.403580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073337/publication.txt
observed 31c097861dc6c5261845070fbb1bf10c...
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.