OpenTechnical

OT-2026-000049904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049904) never changes.

Identity and time

Publication numberOT-2026-000049904 · never reused
Internal UUID01a0ae81-fd76-72a8-9b44-1ecc69bbbfed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049904
StatusPUBLIC

Content hashes

Canonical text5655deef8a606c99c88f578b7c9b2fedf291aaf877e6378e9f795b7509bb896d
Markdown6c52b17e4f5be823195d1015699c5e6cd4ffed70cc2af2297769a59f8e753158
PDF
Publication page1390b92e178b15ea9e5224b051c6e966ce58719b45c2850c951fe1aae4024c09
Manifest6fed5d736c53cdddf869775b4466031c1743d722e9b592f594f9df5bfb830cff

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
Signatureg3yXnXlUERTnzBnbOzUtRqaYWKRIMqg7tLp5JhWLiBD1l/fpGvFd5V5IEhsCD6uOSB8zlspe+B8oZWzl8RV3Bw==
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

2026-09-17T11:01:49.515033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049904
observed 1390b92e178b15ea9e5224b051c6e966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.498354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049904/manifest.json
observed 6fed5d736c53cdddf869775b4466031c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.479709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049904/publication.md
observed 6c52b17e4f5be823195d1015699c5e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.459199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049904/publication.txt
observed 5655deef8a606c99c88f578b7c9b2fed...
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.