OpenTechnical

OT-2026-000027037

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027037) never changes.

Identity and time

Publication numberOT-2026-000027037 · never reused
Internal UUID01a0ae72-3453-74ab-abdd-8d30f52ea2a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027037
StatusPUBLIC

Content hashes

Canonical texta40d7a0090fdd414f9fe9c9a636c464362099214b13f0d2678d0d787ad1cdbb1
Markdown42ee56af6f1dd01861ee80ff735ccd3a5ac2a6ccfea3b731a36b0bd8ab262f80
PDF
Publication page56d59dcd2e8bf0ba065e6402434483ca3ddb0de2b199fe54b57e4f81e4657e14
Manifeste2be8e768aaa6e98a96bd7070cd750c39bd739e49a62fc8eb4b3f964579b59d9

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
SignatureAM0P0t9dsQfUrRnmN07Y8vOQYc7U9j0j7jRurURCBeWTh+iF8tDz4rEELYlROuhnz9YlNBfLn9bvo+1rYehxAQ==
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

2026-09-17T11:43:47.499870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027037
observed 56d59dcd2e8bf0ba065e6402434483ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.483768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027037/manifest.json
observed e2be8e768aaa6e98a96bd7070cd750c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.467766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027037/publication.md
observed 42ee56af6f1dd01861ee80ff735ccd3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.451034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027037/publication.txt
observed a40d7a0090fdd414f9fe9c9a636c4643...
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.