OpenTechnical

OT-2026-000011137

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000011137) never changes.

Identity and time

Publication numberOT-2026-000011137 · never reused
Internal UUID01a0ae6c-540f-7ec4-9767-5938cf35c123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011137
StatusPUBLIC

Content hashes

Canonical text7f26169cdf3754e3af93c52b76ce9e9fea1f95f979ce99652c367591358885d7
Markdowna8907e70df2403df520a6b08fce5304282e76cc215805081c67fdebab6ff7f8b
PDF
Publication page7ee634375c0ca508400eb8e1e9e5a42a19a71fc95ae8a0548af82ca4786b06d7
Manifest3970321070277b455e428f57832f1aa8221d264584332e6dac7aeab110822826

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
SignatureD+bseqdvJhHwAGHFSs34JbRS5aa2HKBe2EXFtTlw4EPU1HgEPoaewKnP5eOTRSY9gsN1Zq1LWZSKJB3SW6sgDQ==
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

2026-09-17T12:13:59.723755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011137
observed 7ee634375c0ca508400eb8e1e9e5a42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:59.703765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011137/manifest.json
observed 3970321070277b455e428f57832f1aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:59.686287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011137/publication.md
observed a8907e70df2403df520a6b08fce53042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:59.667729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011137/publication.txt
observed 7f26169cdf3754e3af93c52b76ce9e9f...
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.