OpenTechnical

OT-2026-000033486

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000033486) never changes.

Identity and time

Publication numberOT-2026-000033486 · never reused
Internal UUID01a0ae75-a38e-7d6d-a6b7-075bacc74b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033486
StatusPUBLIC

Content hashes

Canonical textab08ead67f72b51efc426157e5a34d7f2ffe4fd48b09f414a702029ed1a5a826
Markdownee12d93ddc73fbebf3ab2a09483aa04ee45d83270856792537734bc9e1e1bc9d
PDF
Publication page117aad0d26472fa0a46e040f498058bbb9a309650a8a3ac2bcf673e722e93d82
Manifest276ade0fb66dd93a5d9ba8b51282acebeeaa2ea01d284dd84b94fb17bdb3ee69

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
Signature6hGh2my6n0ROSkJb95o7TrBAJbBuVPO/O0VjtnFwUw7pwPF136Syps6DhwHlk2NZ1wKNmGultMV3PfvUEfGGDw==
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

2026-09-17T11:31:19.886538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033486
observed 117aad0d26472fa0a46e040f498058bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.871167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033486/manifest.json
observed 276ade0fb66dd93a5d9ba8b51282aceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.855401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033486/publication.md
observed ee12d93ddc73fbebf3ab2a09483aa04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.838814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033486/publication.txt
observed ab08ead67f72b51efc426157e5a34d7f...
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.