OpenTechnical

OT-2026-000085836

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000085836) never changes.

Identity and time

Publication numberOT-2026-000085836 · never reused
Internal UUID01a0ae99-e829-77b7-b14e-540c5b03e3f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085836
StatusPUBLIC

Content hashes

Canonical textad65c9422ca05012641c304a06c478c55e633ca39cf577ddb30fd910dc57baa4
Markdown4dc520fadeb17805eaf445f7d6fe9b0ca77d6778526b1837c51e7ce02a9e4adf
PDF
Publication pageb924d3df305b35cce58d8421b1bd84883c6982d5a061d989c9d32594f97b55c0
Manifestfeb1980ba8794267c96abcab1af6e8064b4826fb407e82b261a7063a3004e476

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
SignatureZ4p1TkHaULg0SCeQG9Cx0LP3KU68V1INGaR82SjN4VyonPPewb6HLUx/knchGr3QrLoGckwc/9wvDbjW6onLCg==
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

2026-09-17T09:52:45.590274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085836
observed b924d3df305b35cce58d8421b1bd8488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.573352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085836/manifest.json
observed feb1980ba8794267c96abcab1af6e806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.557176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085836/publication.md
observed 4dc520fadeb17805eaf445f7d6fe9b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.539069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085836/publication.txt
observed ad65c9422ca05012641c304a06c478c5...
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.