OpenTechnical

OT-2026-000037227

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000037227) never changes.

Identity and time

Publication numberOT-2026-000037227 · never reused
Internal UUID01a0ae77-7741-7abf-843c-d705bd483915 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037227
StatusPUBLIC

Content hashes

Canonical textd554500130fabf59e361dcf8d5a1d8ed2d2ec7c9184a16003b2f41ee6d567919
Markdown7902f44e79706ecb7c877fa8ac59f6ae47595d6a15cae9d88476883f56980418
PDF
Publication page1220b0950d94e999d89f412ba1a70a53ff383514792a054b2e16a1d837915863
Manifestbf9edb5a4c692e85ead7eea617ce4bee3d89e9344c6f3b4f478fc99d232e3ef9

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
SignatureLTQZDMbCZ5dzdKLTIgHnb+dsbcsl4xL28Bs5YcDUaQCQfwNj2f8lzZrzDNQ9FnjsEH9SMYXs5K4Fs5r/BKkKCA==
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

2026-09-17T11:25:07.257678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037227
observed 1220b0950d94e999d89f412ba1a70a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.240387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037227/manifest.json
observed bf9edb5a4c692e85ead7eea617ce4bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.223096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037227/publication.md
observed 7902f44e79706ecb7c877fa8ac59f6ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.204721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037227/publication.txt
observed d554500130fabf59e361dcf8d5a1d8ed...
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.