OpenTechnical

OT-2026-000077195

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000077195) never changes.

Identity and time

Publication numberOT-2026-000077195 · never reused
Internal UUID01a0ae94-f508-7a57-9c54-eb33ade82a82 · 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-2026-000077195
StatusPUBLIC

Content hashes

Canonical text313b84f883a199dcf3f4acd273e5505d23e6a1bed29e8f7983151eb3cf89f87a
Markdown4402fdfff0703672c7dc95f0ab7dc08bf76bf14752c93b78b62ee06bc2366b52
PDF
Publication pagec7a1acd5d414639ca64102f30a8c997da07027ec24e24ffef2b1c73fbe461215
Manifest5d12922fe1e5c9594d7d39bd9c13fcbe1055625d5f455905a4b0933fc5f3a8c1

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
Signature/x0vfb3FN/LGKAnCRbBkEQJGwMh+6X6YWoZaswBSbXh2v12zhCNAnO06Foj6W0lov94axorP5A3gPKmHO/HWAA==
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

2026-09-17T10:08:40.240214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077195
observed c7a1acd5d414639ca64102f30a8c997d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:40.221392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077195/manifest.json
observed 5d12922fe1e5c9594d7d39bd9c13fcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:40.202542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077195/publication.md
observed 4402fdfff0703672c7dc95f0ab7dc08b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:40.183135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077195/publication.txt
observed 313b84f883a199dcf3f4acd273e5505d...
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.