OpenTechnical

OT-2026-000090969

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000090969) never changes.

Identity and time

Publication numberOT-2026-000090969 · never reused
Internal UUID01a0ae9c-c011-7580-be62-c5b954954355 · 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-2026-000090969
StatusPUBLIC

Content hashes

Canonical textb261c15028730c9311fb516c24de155d03203e4dd6603c4b29f1f02fe62c1a34
Markdowne74c5c82c34304a32c9f022ef9fe25e70bf27d0c7b6ab01016338179972a7183
PDF
Publication pageb775b9e98f33487387ea91a302d50732e547163d7915a5013815c09fdd0bffe2
Manifest728fc4c1c9226c78b50be5311fe8150e5061d2b19b65efb5518b8f087b53000c

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
Signature8ig9kU/v8RWjBK3WI4p9gQiX+VRthpJx6TAGUGqMWbqt279Xz9qile0AD4X8HrkR3Bw3Gzd018EHppE63qnGBA==
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

2026-09-17T09:44:11.655644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090969
observed b775b9e98f33487387ea91a302d50732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.637480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090969/manifest.json
observed 728fc4c1c9226c78b50be5311fe8150e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.617806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090969/publication.md
observed e74c5c82c34304a32c9f022ef9fe25e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.600080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090969/publication.txt
observed b261c15028730c9311fb516c24de155d...
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.