OpenTechnical

OT-2026-000095955

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000095955) never changes.

Identity and time

Publication numberOT-2026-000095955 · never reused
Internal UUID01a0ae9f-fac8-7cf0-9fc7-a7d7de9c72fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095955
StatusPUBLIC

Content hashes

Canonical textf9b1041ef52d8c62d72a1f0f282912863652501152bebdc76f94cd9528e9599b
Markdown76acfa869db620ba0568267e1900ecca3b9932f16f7952c0dd4844bb123e5cfa
PDF
Publication page3c867a7b9eb04ad9b343440e867402abd79997d428b05b4f28bc20653914ec1c
Manifest3a73a5246ef303d0614a5a448e95c830c53a9224f82beb7059596898a12bac4f

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
Signature/DM5uHIcgyQ6rb/9nHMpbdyRHkWi+wFSaVsijVwCFlvCy6rcCJDEyrIxAG8RRYvEy0N9Enl4jUNaftFPdkrcBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:04.153116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095955
observed 3c867a7b9eb04ad9b343440e867402ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.133904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095955/manifest.json
observed 3a73a5246ef303d0614a5a448e95c830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.113960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095955/publication.md
observed 76acfa869db620ba0568267e1900ecca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.094916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095955/publication.txt
observed f9b1041ef52d8c62d72a1f0f28291286...
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.