OpenTechnical

OT-2026-000033949

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000033949) never changes.

Identity and time

Publication numberOT-2026-000033949 · never reused
Internal UUID01a0ae75-df0b-7273-871e-d054a0cf8518 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033949
StatusPUBLIC

Content hashes

Canonical text9c20289916beb4cfeaddd7b9e0052503d75436346fe1414ef7f039996479303d
Markdown83fc6c395b8d5054cb4cf1785cc9259db18fc465ea8d786d5c0d1aa410a4d913
PDF
Publication pageb0357a988e7fb3142f0a2a35f5a922a40bc9674ee82ac97197b0c30cd1d9afa7
Manifest1abfaf951798903ba03af5b4acc9e92b1edc9483a93812e5b786e099bb95b4fa

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
Signaturefn+E3Beej4D5OLp913tYr7/fVdU1rX12rXkco0IwnosvzKB7N5rVmI5EoNVDeqRarFK9DIKfUADC8vSj37AGAA==
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

2026-09-17T11:30:04.047331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033949
observed b0357a988e7fb3142f0a2a35f5a922a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.458192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033949/manifest.json
observed 1abfaf951798903ba03af5b4acc9e92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.438304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033949/publication.md
observed 83fc6c395b8d5054cb4cf1785cc9259d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.403030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033949/publication.txt
observed 9c20289916beb4cfeaddd7b9e0052503...
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.