OpenTechnical

OT-2026-000052723

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000052723) never changes.

Identity and time

Publication numberOT-2026-000052723 · never reused
Internal UUID01a0ae84-a42d-78b1-b8e0-0c8bb8dfa17f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052723
StatusPUBLIC

Content hashes

Canonical text64d670f87750a576d137c585b2781b66463f46440e2d5915b5e89a841d9112d3
Markdownf1cf8021b92c11b24fc1c8d03247fd7735135ce47611b1ab0a74e588427d30d7
PDF
Publication page5e78efbf2581a7c503612cc3ddea7cc483e8844cd382eb8326e670c4cf347564
Manifest0b2909ce9f32ff4d990f7c89642986f9de8b2bd5f46c778ee29970903c660a70

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
Signature50GMZcQadQa/grl6XYUimsARrl/R72Fciepqb/Fwv33Agtcurw7SFubFpjqhlsMHhz1btEXT00axeOTtaXrfCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:42.941554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052723
observed 5e78efbf2581a7c503612cc3ddea7cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.924436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052723/manifest.json
observed 0b2909ce9f32ff4d990f7c89642986f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.907843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052723/publication.md
observed f1cf8021b92c11b24fc1c8d03247fd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.888254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052723/publication.txt
observed 64d670f87750a576d137c585b2781b66...
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.