OpenTechnical

OT-2026-000022960

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000022960) never changes.

Identity and time

Publication numberOT-2026-000022960 · never reused
Internal UUID01a0ae70-46ec-7317-9d1f-5be19e34d7ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022960
StatusPUBLIC

Content hashes

Canonical text2b372ff91fe88be4d218b39525428f261c8e3439ebc72fcf98de42f7ac67f758
Markdown85481d636a374cbdba92e46fa3cac107a50bce1bbd8589bbecadc16dfda7d166
PDF
Publication page164886fb42cc3de8248d00e200d8cd02f72bd785e66aaacd939990d7c9347b8b
Manifest8f5a3c093219885ae28997b9e226e7a4dc3818a365635101b2cdfb2cf5cdb700

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
SignatureayJ6mGJZrlSVJBZsUUaq5HP+x026Gilahoc/bL2y8XQZoQdZWJ1xyFpMvJx5hjWgb+yReScmjd0ce2jj1LOuAQ==
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

2026-09-17T11:52:32.719143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022960
observed 164886fb42cc3de8248d00e200d8cd02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.702353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022960/manifest.json
observed 8f5a3c093219885ae28997b9e226e7a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.682800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022960/publication.md
observed 85481d636a374cbdba92e46fa3cac107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.664001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022960/publication.txt
observed 2b372ff91fe88be4d218b39525428f26...
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.