OpenTechnical

OT-2026-000033244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033244) never changes.

Identity and time

Publication numberOT-2026-000033244 · never reused
Internal UUID01a0ae75-4845-71f0-93cc-ac4709d07cd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033244
StatusPUBLIC

Content hashes

Canonical text576e7ea44126611197791ab9d1f0b19cf5cdab4d0f018122633962edc3dc30e1
Markdown32b18794b16a80d1b17858bba3faf6a1ae2cc0f789ad8fc7379d20c027e950b0
PDF
Publication pagedb8fada8d1342ac52f2838cdfc776393963805c9b2e5f67c3de7cc38cd307c70
Manifest86b064995e3d66defe710ed45b8e49ecf3b2e0b51d876e1c0ae5708f147c0cea

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
SignatureWcWQs2D9bCCrzdTkbCavwZmqy+TE8EISx23IPXJ3MsougKmXhZ9QdGXu/tXvZ0XCdjxuv6U9lSsS3yTMf+5ECQ==
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

2026-09-17T11:32:57.214658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033244
observed db8fada8d1342ac52f2838cdfc776393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.198566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033244/manifest.json
observed 86b064995e3d66defe710ed45b8e49ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.181481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033244/publication.md
observed 32b18794b16a80d1b17858bba3faf6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.165079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033244/publication.txt
observed 576e7ea44126611197791ab9d1f0b19c...
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.