OpenTechnical

OT-2026-000037143

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two 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-2026-000037143) never changes.

Identity and time

Publication numberOT-2026-000037143 · never reused
Internal UUID01a0ae77-7741-7152-b693-b913092bf0db · 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-2026-000037143
StatusPUBLIC

Content hashes

Canonical text704bde96ea7fedaf1de0a2711147aec1676cb95901fb72f6fb794eea1bb0abc7
Markdown3fc60e3fd3771c42e66c4617aaa0a583073a7c160337eca33ba9e928b5ac3c32
PDF
Publication page13b2fb05829101140322f177bbf95438bb97209c5d3fb5cfc3d93dcfba1be738
Manifest11381305498bc4b6c85afa32d976ffac4ae5906ea9cac54bf3fe4b6daa818872

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
SignatureHT5q2iAJJKP0ZsGGft25sVgvQ/1f/Md0pA60Up8FwFodci/KN5QockixJ62r7q6gRejLE1IhrNmQVD/0159YCQ==
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

2026-09-17T11:25:01.402257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037143
observed 13b2fb05829101140322f177bbf95438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.384507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037143/manifest.json
observed 11381305498bc4b6c85afa32d976ffac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.365338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037143/publication.md
observed 3fc60e3fd3771c42e66c4617aaa0a583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.338190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037143/publication.txt
observed 704bde96ea7fedaf1de0a2711147aec1...
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.