OpenTechnical

OT-2026-000023519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000023519) never changes.

Identity and time

Publication numberOT-2026-000023519 · never reused
Internal UUID01a0ae70-7269-759d-99bb-8b24bea66e9b · 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-2026-000023519
StatusPUBLIC

Content hashes

Canonical textbff2bfdf7e6da4cb39835483d2f537684acfcaefccbceaf903ed093d34702357
Markdown04564576f030560b0c974cf43efc67f28345fe82ffd1120b292d0523373a16f5
PDF
Publication page63961c0d40aaab91c8d6acea200caa708c941481b1fe98a2ea5060efd36dc9ac
Manifest4283199adc79ff69df03cc7b24d86c5d4640beb36335c321f7190af0daff8a4c

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
SignatureQFQ3hCJwDwvywk53ZJmKFGU7l0zuARolI6kftoIHy5G+VAPpg4UoVdzC09xcpmxgpFso1CdGRIjPXa2iK7RVBg==
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

2026-09-17T11:51:45.563497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023519
observed 63961c0d40aaab91c8d6acea200caa70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.543417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023519/manifest.json
observed 4283199adc79ff69df03cc7b24d86c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.524798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023519/publication.md
observed 04564576f030560b0c974cf43efc67f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.507131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023519/publication.txt
observed bff2bfdf7e6da4cb39835483d2f53768...
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.