OpenTechnical

OT-2026-000042343

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042343) never changes.

Identity and time

Publication numberOT-2026-000042343 · never reused
Internal UUID01a0ae7a-5d74-77cb-806c-00043d4094b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042343
StatusPUBLIC

Content hashes

Canonical text3dd4094bbe79f31167794f9607b90d415d744e6758ed64b37ec3b1db4e0e7da8
Markdown2cfb674d91429e7f192d3b1ea94493e7e8e314865cbe312a33b6015a452493bb
PDF
Publication pagedc07e1008722dfb4efaaf05e833f10066756432c457604a2144ba22454f270c7
Manifestf65cf6d4a1e920e82b319695b024057727a1e9e12b171d28152ddb4f37111e77

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
SignatureZN/VxwO738Vx0zNZ82CbTHslrPL8BcifYTiKRMYZEaQY0U5IwBKjX0/peoiEqV6xnqWP8iM+hIpr9v2Sidp2BA==
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

2026-09-17T11:16:03.104463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042343
observed dc07e1008722dfb4efaaf05e833f1006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.083905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042343/manifest.json
observed f65cf6d4a1e920e82b319695b0240577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.066447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042343/publication.md
observed 2cfb674d91429e7f192d3b1ea94493e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:03.048169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042343/publication.txt
observed 3dd4094bbe79f31167794f9607b90d41...
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.