OpenTechnical

OT-2026-000018146

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018146) never changes.

Identity and time

Publication numberOT-2026-000018146 · never reused
Internal UUID01a0ae6e-b488-7b70-8c76-79645478c0e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018146
StatusPUBLIC

Content hashes

Canonical text0c6f26abbdaffbb57ab165242319fc5bbf8f23858bdbc3433eb6da085c319dac
Markdown4602d2d1abe9b9fe6055b8f2fae3f835b1f6d2188d0a90a21eb06f222d1f2331
PDF
Publication pagef68e666e423e40a05c9bd57947fff1ba9b25dd95720a9f1cb03da4f3801dc929
Manifest100019db223821e5d35e507160e7b53165964a23e296601df9417b51eb26b077

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
SignatureKLeJ0O1fgZT7jWB53YR/pbL1yP64ux0Rlag/RDuD5MZOG4JUpTFQxVR+Oe1FhDDtqVntpBOypW94RzcvWjqUBg==
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

2026-09-17T11:59:53.579018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018146
observed f68e666e423e40a05c9bd57947fff1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.563286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018146/manifest.json
observed 100019db223821e5d35e507160e7b531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.546668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018146/publication.md
observed 4602d2d1abe9b9fe6055b8f2fae3f835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.529608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018146/publication.txt
observed 0c6f26abbdaffbb57ab165242319fc5b...
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.