OpenTechnical

OT-2026-000090987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000090987) never changes.

Identity and time

Publication numberOT-2026-000090987 · never reused
Internal UUID01a0ae9c-c011-7f2d-8e9f-ab056373918f · 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-2026-000090987
StatusPUBLIC

Content hashes

Canonical texta25118b9ae4d25dba995e523365a7148e53b503fa359d4bcf7144049229719b5
Markdown97c5295c35b08cdb2faa8c277086c031591410a51748cb82b12522fb0252a139
PDF
Publication page0703daf123e655f897cd8eac7b3237afae5595c82f442695a8ff802ea41c2ef7
Manifest2bcb28e0bb5d0cd2e557d5333f813e2d7dd03eed336ee62a190f9a728871fce3

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
SignaturecYigd9Xrj3T9Cx06ZllrWJUwY2IKiqJo8U69bArO/um3bnU7+b9r8K+ZwMqiIDMgjB8WxFbVTJ45vwCwFM5IAQ==
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

2026-09-17T09:44:12.983837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090987
observed 0703daf123e655f897cd8eac7b3237af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.965461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090987/manifest.json
observed 2bcb28e0bb5d0cd2e557d5333f813e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.949263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090987/publication.md
observed 97c5295c35b08cdb2faa8c277086c031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:12.931314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090987/publication.txt
observed a25118b9ae4d25dba995e523365a7148...
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.