OpenTechnical

OT-2026-000054143

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line 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-2026-000054143) never changes.

Identity and time

Publication numberOT-2026-000054143 · never reused
Internal UUID01a0ae85-b3a8-7153-a473-25e5fb1607fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054143
StatusPUBLIC

Content hashes

Canonical textadc5702a8bb4975af29fa5fd0570d8edfc9ca867011666c46c88b18e9670c1ad
Markdown29cbe3ef0c098733d0c21ac57603782f5121aedb8bde93084b2a4e858bc46672
PDF
Publication page373b43ed1d5baed23714aa8a0a0cee027f3c0ad895152e3150b6113576f2d9d9
Manifestfb453fb67690922d8802ccdd0782aea6e4969ece491c0ec7d63adbcebe5b42d7

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
Signaturea52HPVu5R7CZOpuPvkOzRGPzgW/OxgBR4bG9XR0RB/xcuUIUR+ibRCZ3u8bGLwtcUC6RRXg1dng0LeInS4/ADA==
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

2026-09-17T10:54:34.655717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054143
observed 373b43ed1d5baed23714aa8a0a0cee02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.639671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054143/manifest.json
observed fb453fb67690922d8802ccdd0782aea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.621282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054143/publication.md
observed 29cbe3ef0c098733d0c21ac57603782f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.603358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054143/publication.txt
observed adc5702a8bb4975af29fa5fd0570d8ed...
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.