OpenTechnical

OT-2026-000023424

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line 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-2026-000023424) never changes.

Identity and time

Publication numberOT-2026-000023424 · never reused
Internal UUID01a0ae70-7268-7ced-99fe-1d741efa493d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023424
StatusPUBLIC

Content hashes

Canonical textc1944df697afda7b64fda0d87d1cda3dcdcc741c90cba78dc2290e3b55168289
Markdown9f03dd0a07c1bddfb904b85c941e0d96a0a0effa321d2d89394eb762d7d39360
PDF
Publication pageecce3efd2cd7876ec7c51c5832ed7e6d7905a45d3b47638227ce143aab218ff2
Manifest444c605cadf16fcd2e70d49557ca00d0ab86810afca3c6af71a7e9e3d4b7b5a9

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
Signature4XQ0xURKCVchYnCbWkTPM4S+eb994hpo58X9OP13V7NGe+0oszpELUZ34ZMOhmyEKLpI2DsvQ2zaturzPsvECA==
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

2026-09-17T11:51:38.038462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023424
observed ecce3efd2cd7876ec7c51c5832ed7e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.019493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023424/manifest.json
observed 444c605cadf16fcd2e70d49557ca00d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.999514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023424/publication.md
observed 9f03dd0a07c1bddfb904b85c941e0d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.982946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023424/publication.txt
observed c1944df697afda7b64fda0d87d1cda3d...
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.