OpenTechnical

OT-2026-000043789

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000043789) never changes.

Identity and time

Publication numberOT-2026-000043789 · never reused
Internal UUID01a0ae7b-d676-74bb-afd6-a4345b209ef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043789
StatusPUBLIC

Content hashes

Canonical texta580c62cc2e623daca974e388ffb88e2e7a1289483e79cd221f43d323921107d
Markdowne8f9d3fad9aa51c5b5c027e08006e1f1b59e9384c67a3403b5b140ec5d0f25b7
PDF
Publication page1f3f06729b6f24f4503a67866103a919c43375efd6fbe3f0a37ed766cdfd8134
Manifest3eb7524435951cc6be27658cd9941e46feb636b315ed087fce80002adebf4855

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
SignatureRRSN29B6S9gM2DAw8sUle3V14vFVGpz/vYYiuiz7Trbt556T0qlyz0ASU44JrBKB26gbZZxiCUqFq3EO1s8hBw==
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

2026-09-17T11:12:05.178456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043789
observed 1f3f06729b6f24f4503a67866103a919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.160744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043789/manifest.json
observed 3eb7524435951cc6be27658cd9941e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.141277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043789/publication.md
observed e8f9d3fad9aa51c5b5c027e08006e1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.122379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043789/publication.txt
observed a580c62cc2e623daca974e388ffb88e2...
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.