OpenTechnical

OT-2026-000043879

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000043879) never changes.

Identity and time

Publication numberOT-2026-000043879 · never reused
Internal UUID01a0ae7b-d677-7246-8f8c-c0d5c6d001c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043879
StatusPUBLIC

Content hashes

Canonical texta11243da2a724e3fcec91e942cb9ac89f2d4ebb6dd69bea567e3d6fb80127a7e
Markdown2b9d12d4c4eee07ccd162dc0726235ce137422684e639eb21c4eb248a3d1e4de
PDF
Publication page3d2e8a51b4414ebb24f08e8a286230b5f1d6743cddea27092ac87c81f9aa8ad0
Manifest747e7741d895d1275094241be917d06b649ab5d871f30205917200f66b815553

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
SignatureIszu5riUMZX0+ZCuY3fyGwWhYSc1bNndPVJGA3bAkO0EiSVh0Y0FyC4pKwuHbl4qG8u9pYyvHCjTvysVuptOCw==
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

2026-09-17T11:12:12.523132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043879
observed 3d2e8a51b4414ebb24f08e8a286230b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.504547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043879/manifest.json
observed 747e7741d895d1275094241be917d06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.485359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043879/publication.md
observed 2b9d12d4c4eee07ccd162dc0726235ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.465110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043879/publication.txt
observed a11243da2a724e3fcec91e942cb9ac89...
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.