OpenTechnical

OT-2026-000102609

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000102609) never changes.

Identity and time

Publication numberOT-2026-000102609 · never reused
Internal UUID01a0aea4-858b-7fff-b143-38cd1a3ec9bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102609
StatusPUBLIC

Content hashes

Canonical text3cba84300c879a676fce7e53f6a8e333648a35750320002f44613fce9e9f7b7c
Markdownbbde10459cbc63840dceae8789737b9c895a92c5a204602e756c2dd93aa519fe
PDF
Publication page00ffe5671b3a008e02fc6046d87caf93e40d8ea676da0d3dc93ebbb11016be72
Manifestae71fb3ee792e59d4702d502b3c3f2aeefde8f34627bb80e747f28681a004167

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
SignatureCK2QAakLCUzFXCJr0/sFElolf1BgjLYhfJAx1OgRS9+BI87LF2+QiHg75WePhFXIhcRBCqy+IMrm8uzitVHGDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:05.927895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102609
observed 00ffe5671b3a008e02fc6046d87caf93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.907743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102609/manifest.json
observed ae71fb3ee792e59d4702d502b3c3f2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.887755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102609/publication.md
observed bbde10459cbc63840dceae8789737b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:05.867430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102609/publication.txt
observed 3cba84300c879a676fce7e53f6a8e333...
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.