OpenTechnical

OT-2026-000045755

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045755) never changes.

Identity and time

Publication numberOT-2026-000045755 · never reused
Internal UUID01a0ae7d-8f04-79dc-9448-35cb04ceb55b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045755
StatusPUBLIC

Content hashes

Canonical text3fecef658d36e3d667fac155066883de126c8aae4fbd491ae197f8c94f0c00d4
Markdownaaba3f5225adb669a3650ecabdac0a208d6cbab93cf000f84747ea6c12b86e5c
PDF
Publication page70505800e9fc6dff9211ca2df89cade7a280681c2383cd602c2a5fae08b8850f
Manifest0f8602c67b6cc41c6f32254c6471b1852f8020de755ed30cc00d135a51ee4424

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
SignaturePMQ6p9+gVZoxQhZ67q2o592UZzRx6JfjMBPmSJ7lgEdsxKAHTKAgvvCjyOXtn6c6ftkiNpVOulE8xIavZmXRBA==
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

2026-09-17T11:09:34.784982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045755
observed 70505800e9fc6dff9211ca2df89cade7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.765574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045755/manifest.json
observed 0f8602c67b6cc41c6f32254c6471b185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.745003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045755/publication.md
observed aaba3f5225adb669a3650ecabdac0a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.725892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045755/publication.txt
observed 3fecef658d36e3d667fac155066883de...
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.