OpenTechnical

OT-2026-000033404

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000033404) never changes.

Identity and time

Publication numberOT-2026-000033404 · never reused
Internal UUID01a0ae75-8980-7f32-af58-2af8e47e7fc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033404
StatusPUBLIC

Content hashes

Canonical text6fdcfc6d46084fd2a688d379e1796deab401bcad094ca13c5befee6bc3b343e8
Markdown6b49fe3463f62d6b47945073878bc16246d1c12f08f047841f825697f4001f9d
PDF
Publication page13e1c61e7339f661e4eaf0edb6ff722d32e00be3dc1a64fca704bb83e151edd4
Manifesta567517532003fdb7543f9c2cffab3bae3b65fbbc2905aa3d11b263e7f4dbccc

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
SignatureIU2CPwyxkvXwHd2yUqM4VT4cwYAPFrd/fjuXxlZCtCffqMqJMqIPYZDUYV71a9OTLpc92MFjohAtvd1f8nMXCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:11.121454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033404
observed 13e1c61e7339f661e4eaf0edb6ff722d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.101608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033404/manifest.json
observed a567517532003fdb7543f9c2cffab3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.086199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033404/publication.md
observed 6b49fe3463f62d6b47945073878bc162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.070765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033404/publication.txt
observed 6fdcfc6d46084fd2a688d379e1796dea...
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.