OpenTechnical

OT-2026-000087074

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000087074) never changes.

Identity and time

Publication numberOT-2026-000087074 · never reused
Internal UUID01a0ae9a-9f2d-79e5-9b90-3b1fd758e653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087074
StatusPUBLIC

Content hashes

Canonical texta8b3bcfd9caf73c787c2377076e0caf4ae5daa008746ae79ef8f57ac792fbe18
Markdown1df505a8b6f64d56e0952a78a648d4b9a62397667d93d3fc78121c9c49e3ae10
PDF
Publication pagef3fd7e9ed67c721e7f28a5232c7a82c15dff564a8d089d3819e06bffac10bae2
Manifest76d2a0c31fa566a1c3cb951f888d682ac80a58a1b8b409621d8904a808c347af

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
Signature7/XL1O8uFSolaK1AczMxEw4aunkakXUL+tH5chhgwCSf7fjNa13EGyBjHqrnCD+ZXm4iE2ZEOJimVvjecxBUBA==
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

2026-09-17T09:51:19.857279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087074
observed f3fd7e9ed67c721e7f28a5232c7a82c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.841754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087074/manifest.json
observed 76d2a0c31fa566a1c3cb951f888d682a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.826288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087074/publication.md
observed 1df505a8b6f64d56e0952a78a648d4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.809967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087074/publication.txt
observed a8b3bcfd9caf73c787c2377076e0caf4...
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.