OpenTechnical

OT-2026-000037864

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line 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-2026-000037864) never changes.

Identity and time

Publication numberOT-2026-000037864 · never reused
Internal UUID01a0ae77-f889-7075-8bf6-ea394c31735d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037864
StatusPUBLIC

Content hashes

Canonical text40da5c0daf6b0ee05f801b52af5c4f85dff7da48d504e2e5cfff3d661c8a728d
Markdown305c6436b4908d7260b3daaac6b0d11a01f55046ce8bb4adde068495f94da3bf
PDF
Publication page8382e1355d5cb3bfe89d07f87240c4e394ea314844bd9f353290b417fe8daef5
Manifest6bfd6ba7c4ffa5ef25920a9e81825233b3770519209d041402b26c9f6561a52a

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
SignatureeHNgvCbGhVv2r3VCfwz5mZcBvD+sz3REgNptuYXVkI0HVqsV/pGOwPZx31njC1bA+XkzhSak3ux81JwBMwVQCQ==
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

2026-09-17T11:23:07.475310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037864
observed 8382e1355d5cb3bfe89d07f87240c4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.457312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037864/manifest.json
observed 6bfd6ba7c4ffa5ef25920a9e81825233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.437840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037864/publication.md
observed 305c6436b4908d7260b3daaac6b0d11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.420697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037864/publication.txt
observed 40da5c0daf6b0ee05f801b52af5c4f85...
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.