OpenTechnical

OT-2026-000017256

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000017256) never changes.

Identity and time

Publication numberOT-2026-000017256 · never reused
Internal UUID01a0ae6e-76c8-768f-a5e5-324dac589917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017256
StatusPUBLIC

Content hashes

Canonical text7b2f4cc8a31aba0fbbcd0b16dc8dcfa90244562221903b00de8efc8e4adf6641
Markdownea1abda415c6eb859cce92aac7731cc1b53ab5aa17b3af0acf672aca1540025a
PDF
Publication page73b52754a157c4a47c755f8ed22b9da434fda072c15954d8256ee48205e36951
Manifest4a768989db1528839ea43c73a03e67e96df3f5f51cad583cd8a958c9bb1283b8

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
Signature9ZZcvwmHMsRO+WkeRsz0Je/pmNOjDs8nuL9kJ/08m1ePo+sx9Jl8NfUv0P0mkQ16q9tbdGz6xvye6OKGRj4xDA==
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

2026-09-17T12:02:20.614136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017256
observed 73b52754a157c4a47c755f8ed22b9da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.594427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017256/manifest.json
observed 4a768989db1528839ea43c73a03e67e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.576271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017256/publication.md
observed ea1abda415c6eb859cce92aac7731cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.558447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017256/publication.txt
observed 7b2f4cc8a31aba0fbbcd0b16dc8dcfa9...
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.