OpenTechnical

OT-2026-000056044

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000056044) never changes.

Identity and time

Publication numberOT-2026-000056044 · never reused
Internal UUID01a0ae87-0a4b-7d3e-a1b9-5b9a24a02b67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056044
StatusPUBLIC

Content hashes

Canonical text84f2237bbc69d9ca8c9fe210230095550fd58422ef5a0e86719245516bfb6e41
Markdown114719bf6a981f6f231bd33ffc17d09887ba618ea96dedc0cc3f13a86630e557
PDF
Publication page090d36eb0ee816656e777e808147545040e5305df104be8e800d613f5650520f
Manifest94274684174c84bfbb7a8dda758a14027f4b81bffc3b4af301ec1065d25e7f21

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
SignatureSN4qvzKNrBHCLclVRy2ynKEQTDGtyiNJdzCpzufzU+oZMKp7S6xMK9Bvin/dX36u+qVmuwty0fR7ov1Q0y/+Bg==
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

2026-09-17T10:51:05.289485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056044
observed 090d36eb0ee816656e777e8081475450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.269808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056044/manifest.json
observed 94274684174c84bfbb7a8dda758a1402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.251990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056044/publication.md
observed 114719bf6a981f6f231bd33ffc17d098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.233391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056044/publication.txt
observed 84f2237bbc69d9ca8c9fe21023009555...
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.