OpenTechnical

OT-2026-000037023

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000037023) never changes.

Identity and time

Publication numberOT-2026-000037023 · never reused
Internal UUID01a0ae77-7740-7b60-aa3f-e0cba1a9b126 · 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-2026-000037023
StatusPUBLIC

Content hashes

Canonical textfb2d41c024da1a74193b6e7e04faaa12f07833515db1eeb8e69b656176cea1cd
Markdown0cecb771ea211890698c74cc8df2e412fefa09851a4a68391e88e9c87bb3361c
PDF
Publication page6d92bbff5abe018db385d592e55554e326c2684907778da07e9b965cc85c3cb1
Manifest6b2b5146ca8c1c2559cea6ede47b9c6a8a0cd8a81afdba33f345601701e9aeb7

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
SignatureP02zFR+peeihPmjmR7OWJsJxR2KPJClKtabMCI6AcntF0VkbWPJQQCcIu3p8VbWI7meQ6u6mRFSLqKD6lMyQCg==
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

2026-09-17T11:24:50.488773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037023
observed 6d92bbff5abe018db385d592e55554e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:50.462639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037023/manifest.json
observed 6b2b5146ca8c1c2559cea6ede47b9c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:50.439660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037023/publication.md
observed 0cecb771ea211890698c74cc8df2e412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:50.414772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037023/publication.txt
observed fb2d41c024da1a74193b6e7e04faaa12...
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.