OpenTechnical

OT-2026-000077383

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000077383) never changes.

Identity and time

Publication numberOT-2026-000077383 · never reused
Internal UUID01a0ae94-f509-7242-9e9e-91f092140f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077383
StatusPUBLIC

Content hashes

Canonical text15e58b116185060cb00c8fe839ceb0f31d9841aac76896d5ef7461ceab172593
Markdown931395224502329224d04d9e2276f8d6a4cf13faeddb738ce80e8cde18d6a7ba
PDF
Publication page267e6128085dde4f8443bacc020bdfe1e23ad1802a85ee7dab6cb230eb5867ce
Manifestacd9475f95b73ba6b99320216737e7bdca963368b80854823be6297ae2a42036

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
Signaturekagt8/N2n02EU5RCUnT0+oK2Hm1+MD71TXoe0VMtnMW/PzYL3fGkPfbja9UwvOFyp+ZHwhzNTHx4pzrKph5+Bw==
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

2026-09-17T10:09:01.741050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077383
observed 267e6128085dde4f8443bacc020bdfe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.722516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077383/manifest.json
observed acd9475f95b73ba6b99320216737e7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.700962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077383/publication.md
observed 931395224502329224d04d9e2276f8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.680517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077383/publication.txt
observed 15e58b116185060cb00c8fe839ceb0f3...
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.