OpenTechnical

OT-2026-000091071

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000091071) never changes.

Identity and time

Publication numberOT-2026-000091071 · never reused
Internal UUID01a0ae9c-c012-7d91-9744-81dc9f058b5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091071
StatusPUBLIC

Content hashes

Canonical text445ab3392e299fed8cfef03a7ade5d41ec4964c57d5e29fef0545843a4080fa6
Markdown88ef791e053e438ef86fb996333e5368373077758cfbf2cd0b492b39b13065ea
PDF
Publication page2bc6a7577076730eff56963bcb788d47e2b85eec4552624562dfbc3616f6d226
Manifestbbc17c1a57935ff5cd81aa284d3d761848f65ff554c2cda48ccc4c7c57a1b3e4

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
SignaturecqeFLKsJJa20XcWDOBB3EQejeNS8ujl+aCR4m3vB4qTJm+uGiYtqPVBPIAE4JFt1fEicz3cu180QV8vu52cdDQ==
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

2026-09-17T09:44:18.906598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091071
observed 2bc6a7577076730eff56963bcb788d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.890855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091071/manifest.json
observed bbc17c1a57935ff5cd81aa284d3d7618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.873253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091071/publication.md
observed 88ef791e053e438ef86fb996333e5368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.855048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091071/publication.txt
observed 445ab3392e299fed8cfef03a7ade5d41...
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.