OpenTechnical

OT-2026-000009474

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, vented after 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-2026-000009474) never changes.

Identity and time

Publication numberOT-2026-000009474 · never reused
Internal UUID01a0ae6b-7562-7173-90c8-02e523f577d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009474
StatusPUBLIC

Content hashes

Canonical textd49b518746a309cc14f4714d863623ac0da07336e60a3700cb1081b6d311baac
Markdown95b3cb931b8c51360fc0892ae7fe6d26ceb733c54f6a7a0a2857f548e059a17f
PDF
Publication page850c1eac41dd877fcf1f8f956dd4468596cdb77821586dc06c4138d3db4a1863
Manifest784f4c67580adf4e02070b13fa9912947a598b2826c808e1ab9c3e80d3724102

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
Signature3ctg+/7zbAweVCSi1bIL05XpJ6WvpLftKzs5ynFy+gSfnTVW/9P9AqShWr774xSb1iZqgQZYGbo1rZfaqbYQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:52.075585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009474
observed 850c1eac41dd877fcf1f8f956dd44685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.055778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009474/manifest.json
observed 784f4c67580adf4e02070b13fa991294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.036714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009474/publication.md
observed 95b3cb931b8c51360fc0892ae7fe6d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.015792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009474/publication.txt
observed d49b518746a309cc14f4714d863623ac...
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.