OpenTechnical

OT-2026-000023329

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000023329) never changes.

Identity and time

Publication numberOT-2026-000023329 · never reused
Internal UUID01a0ae70-7268-7d2a-bac1-4e814f2d485c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023329
StatusPUBLIC

Content hashes

Canonical text64d9f9b3f6a4b4987a00477c5928a894c07cd79a50e6cd39ead07141c48fff5f
Markdowna35c62769291c5fb2825c9c83acde4b1955765f979dc69d5ef3b265704c5013d
PDF
Publication page231877b316cf4be9ed5b4d5ab7fe4eca9b611a25050386d1311d086c86e4c168
Manifest56c8eb728bcbdc00a3b86839bf72b84a1776e821487361abe32dc98a02102605

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
Signature5SHKGZ8w3rm/iiGfh2HeyXhtZFIQ7aqdpooMX2r19aSlYXXQRINHZ8WvwFH7cv6w0yj9bO0+B/C5IgUhuEgsBQ==
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

2026-09-17T11:51:25.039600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023329
observed 231877b316cf4be9ed5b4d5ab7fe4eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.024602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023329/manifest.json
observed 56c8eb728bcbdc00a3b86839bf72b84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.008134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023329/publication.md
observed a35c62769291c5fb2825c9c83acde4b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.991178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023329/publication.txt
observed 64d9f9b3f6a4b4987a00477c5928a894...
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.