OpenTechnical

OT-2026-000036113

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000036113) never changes.

Identity and time

Publication numberOT-2026-000036113 · never reused
Internal UUID01a0ae77-01ce-7d4d-8eb8-3ce00efa095c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036113
StatusPUBLIC

Content hashes

Canonical textac1fc5ab54e3aec3c2cafb7960d3e51941c62ea11b138c92fd30964a140fc710
Markdown7a21b64d2b52222131a24c9d14763db7c5f47dd2809b8debf758a0fb7511c2f0
PDF
Publication pageefccc213b983f4e0725d29424329376b1ca29fcdf281dee3b7da5505fb8df643
Manifest0e6693283bf9440fb90774e166f12383bc4dc89c62abcc0e7e11a01359466fcb

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
Signaturemwtixpov7X/u6vyxpsm4oHcGLfhqD315SnO/td/j47I3Pji2w1NPtYp8pFEm8JSaAxCU92RePZIo9Q5dneIeDA==
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

2026-09-17T11:26:18.447841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036113
observed efccc213b983f4e0725d29424329376b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.430805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036113/manifest.json
observed 0e6693283bf9440fb90774e166f12383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.415296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036113/publication.md
observed 7a21b64d2b52222131a24c9d14763db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.397727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036113/publication.txt
observed ac1fc5ab54e3aec3c2cafb7960d3e519...
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.