OpenTechnical

OT-2026-000104072

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000104072) never changes.

Identity and time

Publication numberOT-2026-000104072 · never reused
Internal UUID01a0aea5-341e-70de-ac84-7600d33cffe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104072
StatusPUBLIC

Content hashes

Canonical text74e4c5bffabf7017b918b9789c8b467868d167f80bb3158b30b4590712a01cd9
Markdown156de40451df45034635822e3eb3cbdf76f95262d29e18a42b81ec564d8e0385
PDF
Publication page5f796b8e96c6aa36717b6d43d5beaa5acfc66fbfbb644c970d4272a0da7264f8
Manifestaff73c86fe60e35d5a18b7ef3fb50e1000f32b9556289c2a95b05a66b5d65c9f

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
SignaturevRgLoF6euBS/99hOWUs/VAIRnSf+uqVkC3mB7AFhUNB008RH+15vGgCpK+asX7a5apEMapz527IwMtMsmKPtDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:08.455934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104072
observed 5f796b8e96c6aa36717b6d43d5beaa5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.436454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104072/manifest.json
observed aff73c86fe60e35d5a18b7ef3fb50e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.418629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104072/publication.md
observed 156de40451df45034635822e3eb3cbdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.402655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104072/publication.txt
observed 74e4c5bffabf7017b918b9789c8b4678...
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.