OpenTechnical

OT-2026-000013645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000013645) never changes.

Identity and time

Publication numberOT-2026-000013645 · never reused
Internal UUID01a0ae6d-8de8-7d2b-b9ac-6ea2cdff5b82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013645
StatusPUBLIC

Content hashes

Canonical text992e52790ff92d9f2eb803931dca179fb23fb06968187e510cb31a7de27b2e9c
Markdown9702bc1e5cfe40977c3d34728d20af29e375768a8fd711ea459fba58061d48be
PDF
Publication pageab712857aa8cd663b2c70641e5a77f7ba4237c685b37e591df1f2d8edce8856e
Manifest4241b841527a836bb38eaa8cd751e5f56cd9f49cc46457e79380f19f32e57faf

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
SignaturesRlhoQGehYDVd6broZaCWCieBoGGSBcNV3gKjM0vZM8ifAw89S1DCswnhqLuRP38dEOxmjkmiGFy7stCj0mxBQ==
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

2026-09-17T12:08:34.897229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013645
observed ab712857aa8cd663b2c70641e5a77f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.879444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013645/manifest.json
observed 4241b841527a836bb38eaa8cd751e5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.860488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013645/publication.md
observed 9702bc1e5cfe40977c3d34728d20af29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.842734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013645/publication.txt
observed 992e52790ff92d9f2eb803931dca179f...
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.