OpenTechnical

OT-2026-000009118

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000009118) never changes.

Identity and time

Publication numberOT-2026-000009118 · never reused
Internal UUID01a0ae6b-31b8-7ef5-a99c-1ecedc860cd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009118
StatusPUBLIC

Content hashes

Canonical text3f982203325cb554b2e36da80ea45520eda33ab0f61b12a5243b7c43a43cb902
Markdown0cd4f45cee0c2e79fe797dde598c8a8ff33e89a76c7e7b515ea55c271862bc92
PDF
Publication paged2ee740a3cf43cd9f3fc16e243e24ef49c6c5f8e4d0204b0587f3cff6d2a60ff
Manifestc039d5718066364326b043a102297fc2a493eef83a04bca553b55d3c51974804

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
Signatureo7wlh1tDjbLZ2eKQ/zGIkCkEBUM5imzF9AdI9FUaEkGfl0mVV65oLl5HBH92ld992b/s6bEXMrbBrFt15P08AQ==
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

2026-09-17T12:17:48.268516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009118
observed d2ee740a3cf43cd9f3fc16e243e24ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.248766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009118/manifest.json
observed c039d5718066364326b043a102297fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.227503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009118/publication.md
observed 0cd4f45cee0c2e79fe797dde598c8a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.206530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009118/publication.txt
observed 3f982203325cb554b2e36da80ea45520...
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.