OpenTechnical

OT-2026-000093576

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000093576) never changes.

Identity and time

Publication numberOT-2026-000093576 · never reused
Internal UUID01a0ae9e-508b-7f27-b56e-44f37a31b17b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093576
StatusPUBLIC

Content hashes

Canonical text040668244076c58fb5d1f0a40656c3b01c8dde6000de4a5a9c62ee1b3229c6c9
Markdownd0b249b779c479095907855edceb5dda644723b5db86f5d9a1c8b2cf0460769f
PDF
Publication pageffdf5540a1dc9501a1082f60d615bcb8d77f5dc98c9e745b02aea13d126e172d
Manifest1c5f61efb11749bec8dc306702ce83c0f4f2237bd4cbbeb4d7d31125c50b7006

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
SignatureWQsFFyKDjpXZpjPQwCDVE89/BRealryDndTp1UCRR/l95ndqIa7hhYLe4PaqJNwRofe1RwSw1GdneEhLYOV7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:36.535133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093576
observed ffdf5540a1dc9501a1082f60d615bcb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.518477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093576/manifest.json
observed 1c5f61efb11749bec8dc306702ce83c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.499973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093576/publication.md
observed d0b249b779c479095907855edceb5dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:36.482087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093576/publication.txt
observed 040668244076c58fb5d1f0a40656c3b0...
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.