OpenTechnical

OT-2026-000017888

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000017888) never changes.

Identity and time

Publication numberOT-2026-000017888 · never reused
Internal UUID01a0ae6e-96fb-7a9b-8473-2160530d6b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017888
StatusPUBLIC

Content hashes

Canonical text42872477cfb6b49699da5c38bdb6e8f0b12e9fbfade7f6aa0f195ace2898e323
Markdownf50f46606e2d47d1cd298a3b86a439bbc1a2cff2d37961e9410e72191acdb4b5
PDF
Publication page025b0d9f9e162da94015a368a3ad38a44be2fb418ca142035e09aeca46ad20cc
Manifestf069713185104e0f83becc2a55a65657ed6d4ed2bbedd792303fb97246a23d19

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
Signature5N8SOfsx8aguHbx7AhQKXL2wdcEuT9ayXNARUHPmnIeUmn2R/08WeJ70JWbvLkB4AezBatM1NvEtUYlLy63KAQ==
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

2026-09-17T12:01:52.592681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017888
observed 025b0d9f9e162da94015a368a3ad38a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.576953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017888/manifest.json
observed f069713185104e0f83becc2a55a65657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.561264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017888/publication.md
observed f50f46606e2d47d1cd298a3b86a439bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.545372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017888/publication.txt
observed 42872477cfb6b49699da5c38bdb6e8f0...
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.