OpenTechnical

OT-2026-000036924

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000036924) never changes.

Identity and time

Publication numberOT-2026-000036924 · never reused
Internal UUID01a0ae77-773f-7e8d-9f0d-591af1abafda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036924
StatusPUBLIC

Content hashes

Canonical textcd9f8c5b71de30ebc578528cc25fe830bf7b72ef54636ac150e2314d501a3735
Markdown799ce86f8cf7e7c7a3dd95985db48bdefff711f1502ddf4179b532c87e07d5e0
PDF
Publication page97f7b3571a9001e5443127c637e5b65cdd0a7d6f072898d8e4a8fd44d99d8385
Manifest251a3412d42800d1782e006eecca3164f7db9e5bbff307f635995227c5620aad

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
SignatureSuyLldJd2obf4mTmIXGN8NRaqUO+Upcx7iQfyaLE5QPVfKuxKIpY+zcqFDZcCw//B30sxFv7pifMApk+syG7CQ==
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

2026-09-17T11:24:34.099163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036924
observed 97f7b3571a9001e5443127c637e5b65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.082504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036924/manifest.json
observed 251a3412d42800d1782e006eecca3164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.063963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036924/publication.md
observed 799ce86f8cf7e7c7a3dd95985db48bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:34.046002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036924/publication.txt
observed cd9f8c5b71de30ebc578528cc25fe830...
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.