OpenTechnical

OT-2026-000014231

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000014231) never changes.

Identity and time

Publication numberOT-2026-000014231 · never reused
Internal UUID01a0ae6d-b279-71f9-ae47-42288e15b25c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014231
StatusPUBLIC

Content hashes

Canonical textffb6b48fe2365f8b15b5ab7a8900f3f7f96ca3d821ab47b18c50b19515101ccf
Markdown3e5d1e0e5d65fbd91d60f47e55d0209cc80538f499448a9bc9bc9085b99816a8
PDF
Publication pageb1fc3a0df648ac58b77221d7f1692a99f986e91ead0f04e728d32a9a1b065cc0
Manifest5b813bb4fe2ac157f63aa8e30a99790ce555fbe5fa56c8d6dad445e9aa4a37fc

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
SignatureBvPUhLY8RX4kAFYkMplS2MvqjqdNDl8LeyrxQtS8GD/A3XylKYp9P+lCahGnSDVaI9zgbdDTq5cBL3npg+/jBg==
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

2026-09-17T12:07:20.777764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014231
observed b1fc3a0df648ac58b77221d7f1692a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.756211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014231/manifest.json
observed 5b813bb4fe2ac157f63aa8e30a99790c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.735576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014231/publication.md
observed 3e5d1e0e5d65fbd91d60f47e55d0209c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:20.712391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014231/publication.txt
observed ffb6b48fe2365f8b15b5ab7a8900f3f7...
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.