OpenTechnical

OT-2026-000006359

Publication integrity record

Bellows cup vacuum gripper, three zone face, per zone isolation, ejector fed, plastic cups

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-2026-000006359) never changes.

Identity and time

Publication numberOT-2026-000006359 · never reused
Internal UUID01a0a958-3b39-7753-96e5-0cec02fd680f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:06.972796Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006359
StatusPUBLIC

Content hashes

Canonical textaac1d488b12f681126eb8f9db35c7cb6d4bf492598d7410d7381ebc02ab92d50
Markdown7534bc9304b555f36ecd9ce2794ee9e13d3dbd5e6353ee46cbdf239ee12fa8ce
PDF
Publication paged766837e0f28e3acfdda671b6719605fc50a11333c1c4af9a12cb9ed0d621d5b
Manifestc573c9833f471c04b28dc3be126be68a626cbd8653e9a86f84ab43eac1d5d3b5

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
SignatureRON1HBWZFRF3+ph5ULQFaGUvn7Kk5l9muJ7JC5pe3e7LyrzP0EQWaTNy4/FHKb6F32DDKa3Fiht6XXIsyW4XCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T20:41:24.504229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359
observed d766837e0f28e3acfdda671b6719605f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:24.350224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359/manifest.json
observed c573c9833f471c04b28dc3be126be68a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:24.188105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359/publication.md
observed 7534bc9304b555f36ecd9ce2794ee9e1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T20:41:23.847971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359/publication.txt
observed aac1d488b12f681126eb8f9db35c7cb6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.175019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359
observed d766837e0f28e3acfdda671b6719605f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:27.131432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359/manifest.json
observed c573c9833f471c04b28dc3be126be68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:26.993906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359/publication.md
observed 7534bc9304b555f36ecd9ce2794ee9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:26.981237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006359/publication.txt
observed aac1d488b12f681126eb8f9db35c7cb6...
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.