OpenTechnical

OT-2026-000018293

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018293) never changes.

Identity and time

Publication numberOT-2026-000018293 · never reused
Internal UUID01a0ae6e-b489-780a-ad0a-bcb8c0b1910e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018293
StatusPUBLIC

Content hashes

Canonical text71cdfe9e3bdf763c2f5dace045efb14a651216934f87443a8cfa1cf4d2ee64be
Markdown1a9bc366e2560a8f40e3d6a2a0b5ae9862ea617545b81ffa80c73555f57020e5
PDF
Publication page217ba51bad274cabdec7f1e62949f55a2fe4195c7d1e4a3c108638285cb95412
Manifeste31f86c93ebce606d7c50a9ea5cc06a780d41d7c768a59a5ed12f348ec75f0d8

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
Signatureud6JhFPpmjNYc1hMRlaA4Pb225qSaT6DlbpGCh+Twe+iHRWZDoZL71jVS64W+byMcRo26CLFoBSoWOsRCmoLCg==
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

2026-09-17T12:00:09.783097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018293
observed 217ba51bad274cabdec7f1e62949f55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.755469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018293/manifest.json
observed e31f86c93ebce606d7c50a9ea5cc06a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.731736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018293/publication.md
observed 1a9bc366e2560a8f40e3d6a2a0b5ae98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:09.702398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018293/publication.txt
observed 71cdfe9e3bdf763c2f5dace045efb14a...
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.