OpenTechnical

OT-2026-000039817

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000039817) never changes.

Identity and time

Publication numberOT-2026-000039817 · never reused
Internal UUID01a0ae78-d8d5-7919-90a1-ebf298587639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039817
StatusPUBLIC

Content hashes

Canonical texta28f6cbe629a7d50bb99f57419d1fffb9420643ddf0ed14e2a3e77ec3a0f386a
Markdownc8124bf76102b9dc8639f934dc50a0709dc39db156753de19a576010145ff656
PDF
Publication page6b1ff9b0b281982e2b1512fcd9fe743334dcd87ba24baf9727ac752fec1d8111
Manifest32867fc97c12c1f838696757004f6547e5a1cb84f8eca42cff452db30852a616

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
SignaturePMgcn+7bcHsMj5RSwwxdjffkbY6e2nnlzYdV0YvNMJSCe2dQdUk9bOb7EoGk53HpfmcN9UD+W4m41S2Ki5ADBQ==
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

2026-09-17T11:20:03.338456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039817
observed 6b1ff9b0b281982e2b1512fcd9fe7433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.320385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039817/manifest.json
observed 32867fc97c12c1f838696757004f6547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.303222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039817/publication.md
observed c8124bf76102b9dc8639f934dc50a070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:03.285488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039817/publication.txt
observed a28f6cbe629a7d50bb99f57419d1fffb...
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.