OpenTechnical

OT-2026-000009542

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000009542) never changes.

Identity and time

Publication numberOT-2026-000009542 · never reused
Internal UUID01a0ae6b-7562-7f56-998c-cd150eed1e31 · 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-2026-000009542
StatusPUBLIC

Content hashes

Canonical textfb488d7d9f59217ed90bb4daa05130db474fd67d96606d5856e456e4de546031
Markdownbad6697bdbf8910c49c34929278e75d38e9dd001eabb5f7fb2453190b9c75f32
PDF
Publication page1371b6283455b4898b912a3f651ae3120c8c2397f5edf68f145e582b4179274d
Manifestf185844ec89f97ab95216c622706966fda05ebaabcab99c887325e9ab9a5c3e7

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
Signatureg413OSGhouj0q2UQAP9YoWP9rGFj3vjDr7Wha+G0222aqSvgd6Ztq7f2KjURFMCLm+KxiomnKRdowBYaUyG5BA==
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

2026-09-17T12:16:57.968304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009542
observed 1371b6283455b4898b912a3f651ae312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.947516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009542/manifest.json
observed f185844ec89f97ab95216c622706966f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.926408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009542/publication.md
observed bad6697bdbf8910c49c34929278e75d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.905241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009542/publication.txt
observed fb488d7d9f59217ed90bb4daa05130db...
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.