OpenTechnical

OT-2026-000018278

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000018278) never changes.

Identity and time

Publication numberOT-2026-000018278 · never reused
Internal UUID01a0ae6e-b488-70c1-9205-2a664b03c2ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018278
StatusPUBLIC

Content hashes

Canonical textbd6a19993d0eab16b8d84d9eb99c0bbcfba24c9b0744e43fe255d5988343a52b
Markdown56d51a3fa8b7274899755db44bf0ccf5690e8468eab86c0ee458cba9670f763d
PDF
Publication page549193042a2e25b2a7b56afe9276894548b85419481c448fbd23a404341b604b
Manifest13d483f24da16f24c32de656b515cec391d5a1962e27e60381d73b4a8365fd11

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
SignatureMDWAt+Kw+QEKURlGdX4nyxSrFXcpUuuNoaUtl0JSIHWpNr/3tC53W+z4ZYK6+Bt6TUkaJjal7huscV72rmfiBA==
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

2026-09-17T12:00:08.026934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018278
observed 549193042a2e25b2a7b56afe92768945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.003462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018278/manifest.json
observed 13d483f24da16f24c32de656b515cec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.983647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018278/publication.md
observed 56d51a3fa8b7274899755db44bf0ccf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.958996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018278/publication.txt
observed bd6a19993d0eab16b8d84d9eb99c0bbc...
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.