OpenTechnical

OT-2026-000095852

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000095852) never changes.

Identity and time

Publication numberOT-2026-000095852 · never reused
Internal UUID01a0ae9f-fac7-73b4-b7f8-1db5f5c2b73a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095852
StatusPUBLIC

Content hashes

Canonical textb6a91a78778bb0daf70c2a6579b60eba3180b41102c92c6b3a11720a71814d65
Markdowndeb3174321c0b34d33c7fe4b9ee60f4499dcd6b4ab7bda921ee27bd9f15f67c8
PDF
Publication pagecc0f038e170a7cf4fffe7dd6309386ba2c1bf4b4a844e067fc002a11da30b366
Manifest5f978dfba2341224ba2b8e11128bb501b613538fcdf65b8bd4f0746773364644

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
SignatureqJJl5vTZdZ2bAR7byPy3Zb8SRvu02VEOlSvtjYQk8NcusT8LF/K83TMOWpcPAm6ofNcZsv/8tAL25VYaEyuPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:56.511068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095852
observed cc0f038e170a7cf4fffe7dd6309386ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.493236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095852/manifest.json
observed 5f978dfba2341224ba2b8e11128bb501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.475703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095852/publication.md
observed deb3174321c0b34d33c7fe4b9ee60f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:56.456991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095852/publication.txt
observed b6a91a78778bb0daf70c2a6579b60eba...
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.