OpenTechnical

OT-2026-000016970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000016970) never changes.

Identity and time

Publication numberOT-2026-000016970 · never reused
Internal UUID01a0ae6e-591a-7ff8-b994-27ead3fd8a34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016970
StatusPUBLIC

Content hashes

Canonical text315bce53cb33c5d056e95f9d00bf06f4831b286fe438e6468088b8841fec8986
Markdown73df5f28c68cbf3d5e983e4143589b8a5b01803c2bb2052936b2da01fe43096b
PDF
Publication pageffee868ae4d23173756bc79d30718b2dee732d3133c3ae568d90f2947ccd3ad0
Manifestbf835ec5d849492d7c76ea0b246990036e12bcfc1ad37e67451c03e5abdebdd5

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
SignatureWKvVF11AA2qSF65kvu+PzNwl4sY8QKtnsoOke0MFulC52nCTUpLUXelDzojLdIYVMH7S7ZWT2aMfZa4+F3PLBw==
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

2026-09-17T12:03:22.020069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016970
observed ffee868ae4d23173756bc79d30718b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.002004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016970/manifest.json
observed bf835ec5d849492d7c76ea0b24699003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:21.983910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016970/publication.md
observed 73df5f28c68cbf3d5e983e4143589b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:21.962465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016970/publication.txt
observed 315bce53cb33c5d056e95f9d00bf06f4...
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.