OpenTechnical

OT-2026-000053896

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000053896) never changes.

Identity and time

Publication numberOT-2026-000053896 · never reused
Internal UUID01a0ae85-735e-78c0-89c8-3c2d3361bf68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053896
StatusPUBLIC

Content hashes

Canonical textc4f6b0e6d8a63a7cd2fb33c5b2c2b9407b6f62bd64f987fffe53d83bda76c50e
Markdown846220e6b22e2922d6df7d6037bce7824c2463fdb5a8cf581eb58112edbbfd49
PDF
Publication pagecc09f9aaffc0228230d10aac2f412d7a1e61f7a19ea37437904afb2f2a1a1447
Manifest00ef2b989069ea75f2b3c8543705ad172a5d5c006e234ed24f153a3bb49baa50

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
SignaturevQH5SVDqFx/gkLj7inNCTr7GsSPKkLd8oSsKUYIxzUA5MuMw3ByyDIua7AdXuWUikrqi8zs+dZHCyux63xEEAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:44.783895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053896
observed cc09f9aaffc0228230d10aac2f412d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:44.762508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053896/manifest.json
observed 00ef2b989069ea75f2b3c8543705ad17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:44.741236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053896/publication.md
observed 846220e6b22e2922d6df7d6037bce782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:44.718590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053896/publication.txt
observed c4f6b0e6d8a63a7cd2fb33c5b2c2b940...
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.