OpenTechnical

OT-2026-000104491

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000104491) never changes.

Identity and time

Publication numberOT-2026-000104491 · never reused
Internal UUID01a0aea5-3422-70ef-87e1-ce64bf28a7d5 · 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-2026-000104491
StatusPUBLIC

Content hashes

Canonical textef1baeb38882eb07bd517c4a2b01f0c1bc34c8ec3835b12e476e0724cc5b1f43
Markdown65ef140958da2c175ead7cb274ddcdef55840fa1687bfe08ac3961f93b833679
PDF
Publication page880cb98b079cedccd98c2161539b0b6ec3f91ea7e5b9aac954c27d4769772474
Manifestcba23c0329785d3d540960ae7661eab3baef5f19e0409c92ffd46582bc422fcf

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
SignatureW7y/M6miOj8fBSfhfE3TYshfReSn6GiHz4AGw//XdwRpP1lyXMWQRoj+CYDR4NwNPHKzOyeA0BRiKFABb0S6Dw==
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

2026-09-17T09:21:46.930491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104491
observed 880cb98b079cedccd98c2161539b0b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.910896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104491/manifest.json
observed cba23c0329785d3d540960ae7661eab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.890949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104491/publication.md
observed 65ef140958da2c175ead7cb274ddcdef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:46.874617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104491/publication.txt
observed ef1baeb38882eb07bd517c4a2b01f0c1...
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.