OpenTechnical

OT-2026-000008864

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000008864) never changes.

Identity and time

Publication numberOT-2026-000008864 · never reused
Internal UUID01a0ae6b-31b7-7d79-9fb3-84b75937c3a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008864
StatusPUBLIC

Content hashes

Canonical text1c92a35d58afeb543af40d7edc3b9474569fb950b97c377648c2ec49b118a1ee
Markdowncee5795f18ad29c10b70bd6b9ac4d6a00ba206c2e47f2a7c267f802b74c5c06a
PDF
Publication page7585832b766bce76ea76ad9aad202bfdb8b496b81a351e8142e6a2cdb257c15c
Manifest7635d3cc83ff0eb3afb32b06968d0dad0259955ca3f01dec5d5e560a6c2f5e41

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
SignatureyLqlL63P5DiTznqzIKFDqARzpvwvQdrHxNzBsEDdbzZQkC7HkrMeIPEvs84J4/jDZe5RIa+rzYAhd9V+Yoq4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:27.051719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008864
observed 7585832b766bce76ea76ad9aad202bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.034679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008864/manifest.json
observed 7635d3cc83ff0eb3afb32b06968d0dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.016815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008864/publication.md
observed cee5795f18ad29c10b70bd6b9ac4d6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.997990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008864/publication.txt
observed 1c92a35d58afeb543af40d7edc3b9474...
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.