OpenTechnical

OT-2026-000051808

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000051808) never changes.

Identity and time

Publication numberOT-2026-000051808 · never reused
Internal UUID01a0ae83-7c84-7885-a9f2-044d8b63a680 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051808
StatusPUBLIC

Content hashes

Canonical text0d3829ddf2749fcf2062867c3dd1123e15bb312cee9ca31935e72efd9fa95eac
Markdown5ff10b2e835b6df9799d6d1a1bdefc14858843cf4dea65684a9a7d8061623c79
PDF
Publication page1967fa6f4a2279892bec1be7a94d2e46d3fc5c9d1f8d04777d53a5366f9434a7
Manifestef51cc503b2e14463bf23549aee53972b52467a6c592609a7d193d22ae791806

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
SignatureDetx1ILBtXZksM/Igrbg5wC/VTCJx5qJ2saj/JoP/Opnw2IIexyEBcOLvjdWLWGVMIrp4Yc3/+eHGCA3MMQ9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:43.511067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051808
observed 1967fa6f4a2279892bec1be7a94d2e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.491957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051808/manifest.json
observed ef51cc503b2e14463bf23549aee53972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.473567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051808/publication.md
observed 5ff10b2e835b6df9799d6d1a1bdefc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.451228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051808/publication.txt
observed 0d3829ddf2749fcf2062867c3dd1123e...
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.