OpenTechnical

OT-2026-000067191

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000067191) never changes.

Identity and time

Publication numberOT-2026-000067191 · never reused
Internal UUID01a0ae8f-14ff-7ae3-bcf9-e76c8d41a015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067191
StatusPUBLIC

Content hashes

Canonical text2e8bff37713d19e20876173f11e9e6535e326cb43430870eeacd972714cea13d
Markdown6fd989d31bbf42b99dd45ddc723d9c7ef64ada7d1a2d6e3dc46c28191075134e
PDF
Publication pagefb25e073505c53747a9905c372bd7806dfa75d18d2e1bd8f915468575bec3ac2
Manifest6fcfee7787030d221c1427cfa93a5da6b3918efc7893f17873cb1780a2fbcf69

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
Signature3ucjBuWJAkbXGZmfoSFv/5e8nkHt5BhPu4h7DXXc26uL9K6En+m49wrcfxanmBvxigr+Wd/fVzLI9XsJ/KsvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:28.604086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067191
observed fb25e073505c53747a9905c372bd7806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.582607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067191/manifest.json
observed 6fcfee7787030d221c1427cfa93a5da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.564468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067191/publication.md
observed 6fd989d31bbf42b99dd45ddc723d9c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.546611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067191/publication.txt
observed 2e8bff37713d19e20876173f11e9e653...
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.