OpenTechnical

OT-2026-000014009

Publication integrity record

Single cup vacuum gripper, 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-2026-000014009) never changes.

Identity and time

Publication numberOT-2026-000014009 · never reused
Internal UUID01a0ae6d-8dea-70b3-b503-ab1105d68577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014009
StatusPUBLIC

Content hashes

Canonical textbfc5a15f4adae46eb0483f6b3ccc91176f55a00ec663a7c4e801b67511a61735
Markdown57051a308fa1f128c55fc9cf32702b78de0e9fab0ccea1c8714d0cef793a6e7e
PDF
Publication page42dc6dcce0fd060d5fdae76e75ccec5c9022c7271313983faf37208d8e373cd7
Manifestd46335302e6c739fc4964589494b361cb74aca843358f7dfb0b4d6846e7b70a2

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
SignatureC7pIjeUgFomm1Rq+jBgb7vv5026LytTcuMGQjigBBsoTBhmnCnOLtDGiB38/dvNjpDFfOeZ7dv6UGo/xi8mDBQ==
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

2026-09-17T12:09:14.026996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014009
observed 42dc6dcce0fd060d5fdae76e75ccec5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.007923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014009/manifest.json
observed d46335302e6c739fc4964589494b361c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.989678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014009/publication.md
observed 57051a308fa1f128c55fc9cf32702b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.971342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014009/publication.txt
observed bfc5a15f4adae46eb0483f6b3ccc9117...
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.