OpenTechnical

OT-2026-000081125

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000081125) never changes.

Identity and time

Publication numberOT-2026-000081125 · never reused
Internal UUID01a0ae96-b977-7f40-823c-4b456ef77ee5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081125
StatusPUBLIC

Content hashes

Canonical texta4efe692e084e530e485fe409fdf4a792dcdab17a37c6f9ff472b9935a8ce987
Markdown766685f85aafc1dcf47e684415cb26021ab3e71693cae0568d60a80a948d0459
PDF
Publication pagef55d13cb12ca0e7d996605729095a1b4aedb5259780e225d1a8be289db607a71
Manifest053945314755a9aac888ef29d90077ade271d5334a7062944941f6427e82db14

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
SignatureAvVrHXwHWsNy47fYSF7KKpUDxrrLyIU++767r4CJ8Wq0LA5Z+uN6i9C/g6okP4igXC1dDgHSH5rod804gyxCDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:26.179263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081125
observed f55d13cb12ca0e7d996605729095a1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.163280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081125/manifest.json
observed 053945314755a9aac888ef29d90077ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.144612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081125/publication.md
observed 766685f85aafc1dcf47e684415cb2602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.125001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081125/publication.txt
observed a4efe692e084e530e485fe409fdf4a79...
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.