OpenTechnical

OT-2026-000023873

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000023873) never changes.

Identity and time

Publication numberOT-2026-000023873 · never reused
Internal UUID01a0ae70-aed6-7515-95e2-ff12141b769f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023873
StatusPUBLIC

Content hashes

Canonical textbf00939854662434404a50274c55784f4b81fb562c2349bdb727119da2c3422f
Markdowncb33e12d6a54f1f7840b76b899143d441f6ff721017f2227e91c52486dc1fa4d
PDF
Publication page1719bc40ace6e5e1f8974d960a0b44c8c38ec7fcb657e034707cf1aaa9252129
Manifestba1661b16617a49184b536e2c58c0364b4da8e148e51c220ad5abe32ba36e9c7

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
Signaturee+DOLtW71j7fsiD3OWZWnqZVELeUCCAHrAyaY0o2N3MttfkfTS8P+U5+zkxeuELyHXHg95urecieTdlA4DI6BA==
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

2026-09-17T11:50:28.826547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023873
observed 1719bc40ace6e5e1f8974d960a0b44c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.807716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023873/manifest.json
observed ba1661b16617a49184b536e2c58c0364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.786843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023873/publication.md
observed cb33e12d6a54f1f7840b76b899143d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:28.768564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023873/publication.txt
observed bf00939854662434404a50274c55784f...
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.