OpenTechnical

OT-2026-000092730

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000092730) never changes.

Identity and time

Publication numberOT-2026-000092730 · never reused
Internal UUID01a0ae9d-b600-74a5-9a76-5ff871aa0866 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092730
StatusPUBLIC

Content hashes

Canonical text88c165df519f6b808d5aa267523312d8c7b663aed1cba3ce09d04d5072935b33
Markdown3d05d876742e38ce77bb1bc11ae83361be88822afd24b555aa8e98a88873f418
PDF
Publication paged543cc6931ed68497207465a76974dc87fe90357a2d15067c107a0741eb7615f
Manifest35f9d0da5011cd0e5762b0507df445e0b80c11b321e9dbcebaa09002fc0975f8

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
SignaturerXZb3zcl+4w9qT3V26rzEpyqoaiFjf4TAD2/ThiBKCIBb/jotsoTS9mbXxfVlTagK/zfhKyqozRvFfguJLHpBQ==
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

2026-09-17T09:41:21.254961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092730
observed d543cc6931ed68497207465a76974dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.238178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092730/manifest.json
observed 35f9d0da5011cd0e5762b0507df445e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.222504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092730/publication.md
observed 3d05d876742e38ce77bb1bc11ae83361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.204832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092730/publication.txt
observed 88c165df519f6b808d5aa267523312d8...
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.