OpenTechnical

OT-2026-000015285

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000015285) never changes.

Identity and time

Publication numberOT-2026-000015285 · never reused
Internal UUID01a0ae6d-ef48-78f7-a2f0-95640a140803 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015285
StatusPUBLIC

Content hashes

Canonical text4b8b2085f517af30ceeb409a544a8cd7daa891d960748d24f033364f18f0d500
Markdown2df5b34900ab148bc584b410e3afcdfcc61df12f3c5a45e973af576ba8961201
PDF
Publication page5371fc2a11b0c4b475f32c66726fcba2a23014f961ca2f1b965a3871da36eef4
Manifestf3f70fbaed59d3eeacdca25169b2a3aa400366aa679f4d72eb218886383897c3

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
SignatureT5VQY241YSWP3Ibw6pkq31Eg9e5QaRV48VuwaxYj+OILGQnnPX0OXPYZbb3WIEg0BkLYKVKfA/HOP1VPxcEjAA==
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

2026-09-17T12:05:58.152100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015285
observed 5371fc2a11b0c4b475f32c66726fcba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:58.132451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015285/manifest.json
observed f3f70fbaed59d3eeacdca25169b2a3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:58.111997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015285/publication.md
observed 2df5b34900ab148bc584b410e3afcdfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:58.092267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015285/publication.txt
observed 4b8b2085f517af30ceeb409a544a8cd7...
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.