OpenTechnical

OT-2026-000008534

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, vented after 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-2026-000008534) never changes.

Identity and time

Publication numberOT-2026-000008534 · never reused
Internal UUID01a0ae6a-e46a-7c62-9b2d-b2c6b32baedb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008534
StatusPUBLIC

Content hashes

Canonical text95aa013388552d0df6f2fd40bbedaac3729fb63c148558eed4a36e303df44918
Markdownf339962456e23f780cb0f71cb082c6b50ea25ce35ff41523b7b23d3933d37efd
PDF
Publication page8d24ffb53c0fb8214d9b020eda4757beb838ab420f923a165c4489a6f5c4e70d
Manifest7edd598c52d44f702a9cdc971aee85ae146c58d10774aa39611c541461469fef

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
SignatureYykFn5TuUv37FGkkrZbIsHuQiW46SzNm9ulPU7WkCCRaqOkpoPIVWbz6u/VUCHeuV6kQQm9DuKttRn8JqP2sCQ==
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

2026-09-17T12:18:27.410190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008534
observed 8d24ffb53c0fb8214d9b020eda4757be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.390110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008534/manifest.json
observed 7edd598c52d44f702a9cdc971aee85ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.369312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008534/publication.md
observed f339962456e23f780cb0f71cb082c6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.349227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008534/publication.txt
observed 95aa013388552d0df6f2fd40bbedaac3...
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.