OpenTechnical

OT-2026-000018485

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000018485) never changes.

Identity and time

Publication numberOT-2026-000018485 · never reused
Internal UUID01a0ae6e-b48a-7ea2-812c-29f76ef96c7c · 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-2026-000018485
StatusPUBLIC

Content hashes

Canonical text6f5f4bcab1aeb1b0f27317f3ebe0d2b3343b84ea8da9e092fc6313d9b93b1c91
Markdown865dc073beda1870f28522cb445667d9f51af18412ddd26a92768c882f2533d1
PDF
Publication pagecd80ac4f7e8900d11c86ab8288ca9231676eaa45772f48a78c3e2eaf327342d4
Manifest4f1810e4ade13054011a6a4416aa6ef88d87dd99bda3969bae4abbdcdd08e7b0

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
SignatureCMXE6KCHE/M9eGGf8toMwYopPOODrsA3QPCBLgonxLab+BnHeOJJZf42pgPru9Lw9wTQsznjLParQ2axnROlAw==
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

2026-09-17T12:01:15.423280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018485
observed cd80ac4f7e8900d11c86ab8288ca9231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.404164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018485/manifest.json
observed 4f1810e4ade13054011a6a4416aa6ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.385049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018485/publication.md
observed 865dc073beda1870f28522cb445667d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.366127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018485/publication.txt
observed 6f5f4bcab1aeb1b0f27317f3ebe0d2b3...
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.