OpenTechnical

OT-2026-000027489

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000027489) never changes.

Identity and time

Publication numberOT-2026-000027489 · never reused
Internal UUID01a0ae72-6998-7896-b776-f95ec56ccea8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027489
StatusPUBLIC

Content hashes

Canonical text4bdd0826d8cc171796e6c59964b688586b6efd5e299bad31a9b3d2995e33c46c
Markdown371cac4e3608492c2596c0ea5bccf48a24b5a12f996cb5d0916fd87ae517e345
PDF
Publication page2eca31b935a3a735c52d8f70e22e821c0ed31c7dee63ae3deed39d6d74ff5ae0
Manifestac83f97623908a86817924e26a8c5ee3a995b9feb3a43c3445910f6e7f396b7d

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
SignaturehUQCfEz0tqUcuGIAGmPS58UVkI8L2s25K+3Z/tqrtUxz44ZNB8jO2FQPIdrsnYsfkegM7ZmOjrqsQeuk+OwGBQ==
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

2026-09-17T11:42:57.340104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027489
observed 2eca31b935a3a735c52d8f70e22e821c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.320970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027489/manifest.json
observed ac83f97623908a86817924e26a8c5ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.297101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027489/publication.md
observed 371cac4e3608492c2596c0ea5bccf48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.277609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027489/publication.txt
observed 4bdd0826d8cc171796e6c59964b68858...
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.