OpenTechnical

OT-2026-000043227

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000043227) never changes.

Identity and time

Publication numberOT-2026-000043227 · never reused
Internal UUID01a0ae7b-327c-7998-8466-6da16ae3f842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043227
StatusPUBLIC

Content hashes

Canonical text1c664fab3fbea385ed87bc9893f24d8555228498efd7a037f552a6511861de87
Markdown5b5afcf66467e8c6271011c097f3979d6731f1c23c955c35db4f5a305984e8f9
PDF
Publication page9030079d012ae961423652a0fdaa9a4590133185d861f379bf761ca32321010f
Manifest4a06e8a426ff1a820ea17fb905a42751d1a84699560e9c119aab64843fa4e52b

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
SignatureIm/1mFr/Nwm9gQI//B3HrMeAkXFflvJv9d7/eogGzEBsE+dEGpireDk7StADKztCjmGxyyYZF//be3yfBeawBQ==
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

2026-09-17T11:13:41.820918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043227
observed 9030079d012ae961423652a0fdaa9a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.800588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043227/manifest.json
observed 4a06e8a426ff1a820ea17fb905a42751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.780226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043227/publication.md
observed 5b5afcf66467e8c6271011c097f3979d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.760459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043227/publication.txt
observed 1c664fab3fbea385ed87bc9893f24d85...
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.