OpenTechnical

OT-2026-000087126

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, sustained 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-2026-000087126) never changes.

Identity and time

Publication numberOT-2026-000087126 · never reused
Internal UUID01a0ae9a-9f2d-7cda-b9f2-2765f768ae87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087126
StatusPUBLIC

Content hashes

Canonical text13380ae61a461b71448b655af0ce33e7ef433852ba769cbb2e9a033aed4360c3
Markdown301abcb64b4e237936ecd4600a69c9b922a08565d9eaa05150aadaf0a02f2651
PDF
Publication page7290ed8de77371d1e4adc56d69a9b4b06da60f54948f875cad3bb189a96e58c6
Manifest3f263a366b5f71842ad4aa4708103a21a4de6d9411d40b79474d6b11ad7412c8

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
SignatureR/lHmc2YmUA0e3BG2TdleLwH+xow1d71m3WIdnAUTnGeOArvJQdNEG/VR6qgpohAIs8cM+WSmPs0g3hgTZEYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:23.351997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087126
observed 7290ed8de77371d1e4adc56d69a9b4b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.335079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087126/manifest.json
observed 3f263a366b5f71842ad4aa4708103a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.318939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087126/publication.md
observed 301abcb64b4e237936ecd4600a69c9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.301508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087126/publication.txt
observed 13380ae61a461b71448b655af0ce33e7...
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.