OpenTechnical

OT-2026-000103164

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000103164) never changes.

Identity and time

Publication numberOT-2026-000103164 · never reused
Internal UUID01a0aea4-be3e-7d24-9fde-bd7be5ee987e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103164
StatusPUBLIC

Content hashes

Canonical textadd26d39f40176a145df41ab0e64f49d682d3dea440435a4cde6ed7690f0bfb7
Markdown1211892f09311176f009e59f215aaa28f7c3d28f6112e7f10a9de5d43c651494
PDF
Publication page2b3d83a8a58c90ba27e0fcc205b701e31688502a22b17db84baa63f29a0f5713
Manifestf568d3c2796831776218e96c989580f6d31e14eb6031c48689a8b0e20930e10b

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
Signature4XzUnBMbByCbB1QHC8RwW0OJKN3cLZiZxt96mQqkZZpTW8vbML2US0HmtyKWFvxS+gUGgP5guC8wBTi697+OAg==
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

2026-09-17T09:23:22.772477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103164
observed 2b3d83a8a58c90ba27e0fcc205b701e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.753114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103164/manifest.json
observed f568d3c2796831776218e96c989580f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.736984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103164/publication.md
observed 1211892f09311176f009e59f215aaa28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.719932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103164/publication.txt
observed add26d39f40176a145df41ab0e64f49d...
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.