OpenTechnical

OT-2026-000022868

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000022868) never changes.

Identity and time

Publication numberOT-2026-000022868 · never reused
Internal UUID01a0ae70-46eb-7b16-99d9-b4282a625a61 · 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-2026-000022868
StatusPUBLIC

Content hashes

Canonical text5b0873e54efbc208e337e2ee1df7bbdd562e167e50112355927e4dce744d1937
Markdown03992f48b65a14037e9e2f8ad31f87a04e51829ecb4f430d0f76ab7a6716645f
PDF
Publication page9c0076d4a866b19718ea6772a711ce1f09375af4a10e175be618f3bf3f08bca8
Manifestd2bf3ecc92e480e443b9bd4e5dc0a3041850265ec16239cf3b6296918ffd1c24

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
Signatureso0x31vymLH7UGf7qzTM2s4T+9UB5q2Uqi5KWOqfwqrTgAUXNJL3Qo+5bJ8CKzINioioexXAWxvvrx4FhfflDw==
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

2026-09-17T11:52:24.680454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022868
observed 9c0076d4a866b19718ea6772a711ce1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.661611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022868/manifest.json
observed d2bf3ecc92e480e443b9bd4e5dc0a304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.642083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022868/publication.md
observed 03992f48b65a14037e9e2f8ad31f87a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:24.623876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022868/publication.txt
observed 5b0873e54efbc208e337e2ee1df7bbdd...
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.