OpenTechnical

OT-2026-000023714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000023714) never changes.

Identity and time

Publication numberOT-2026-000023714 · never reused
Internal UUID01a0ae70-aed4-7531-ba1a-e0abbbf02d6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023714
StatusPUBLIC

Content hashes

Canonical textf948d5f5cd9619599844e5db84ae70a2d5cc14604f9273d14114f5257079b397
Markdownaca472c8f1b88866783bafed907c7592683b565f30f7d129224c1b65940722e0
PDF
Publication page4e330c95fe4776963bece2eab9dafd890b83bdcbc70fd830dd8586d1b8d933dc
Manifest3796404d348524c0576a0777f7409b1a836f63dceceee4e7cb0f0b0546d07135

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
SignatureqU98WStgIYgggKOSosXjsoa3gJ5X9gILL9XaBUnfaTbG8x9KAVueV03Cz2FSHq0ATEM7DAwRSkj9+gmnt48GAQ==
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

2026-09-17T11:50:03.127242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023714
observed 4e330c95fe4776963bece2eab9dafd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.109404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023714/manifest.json
observed 3796404d348524c0576a0777f7409b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.090560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023714/publication.md
observed aca472c8f1b88866783bafed907c7592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:03.072190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023714/publication.txt
observed f948d5f5cd9619599844e5db84ae70a2...
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.