OpenTechnical

OT-2026-000056726

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000056726) never changes.

Identity and time

Publication numberOT-2026-000056726 · never reused
Internal UUID01a0ae87-7af6-7ac5-a5e4-1c09bbcffab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056726
StatusPUBLIC

Content hashes

Canonical text63fa402821d6d38f3c77401eee437cedb91d38b5841d6ea59bb2509fd02c53ce
Markdowncb778eb8b2980c374aaf7266928d4bb08dd1627a0bcf01138b16704b8e734820
PDF
Publication page8d70dc0469a7c1017aec1edb30630a5fcc405170ce17eb2fc0bde0c07526737c
Manifest230cb4b7549b1500816bde16992527eb79265cf3a81eb3d960379c22cb0d8e82

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
SignatureDRShMP0ChxAo7vI+dwDQDP2ZNxVpjzomCYYsmueigB496farrMGDT1t8Q7O1eUBXu8IX3Vfo8D//KZUgeSBCCA==
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

2026-09-17T10:50:09.739783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056726
observed 8d70dc0469a7c1017aec1edb30630a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.722177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056726/manifest.json
observed 230cb4b7549b1500816bde16992527eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.702402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056726/publication.md
observed cb778eb8b2980c374aaf7266928d4bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.682816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056726/publication.txt
observed 63fa402821d6d38f3c77401eee437ced...
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.