OpenTechnical

OT-2026-000091125

Publication integrity record

Four cup vacuum gripper, four 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-2026-000091125) never changes.

Identity and time

Publication numberOT-2026-000091125 · never reused
Internal UUID01a0ae9c-f16b-7287-8eb3-85e6a9fcc977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091125
StatusPUBLIC

Content hashes

Canonical text93bd80946d994200fd8f9679ecacef82f3528131c412dcde5e4aec06ff862c47
Markdown089df9e3c880b8dc35c323de4677b1206569e59218eddd639adb97349ed47d21
PDF
Publication page8ac98893e5aa69a56d9e9a75c40b7f755c91c07704bd39dac448938447729c25
Manifest495374294d0e970a3f72c76b7f5be7ebe8939efc9dde8265b54640be4ea56924

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
SignatureoRpKqZ3v1TwkTJnKRCuRa9l1a98hl5KnsA2q3us+qAJzNnhr5QNWknolb/GUQtuH1cd81basDwDyDkGIOOdFDg==
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

2026-09-17T09:43:16.798950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091125
observed 8ac98893e5aa69a56d9e9a75c40b7f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.780572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091125/manifest.json
observed 495374294d0e970a3f72c76b7f5be7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.761710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091125/publication.md
observed 089df9e3c880b8dc35c323de4677b120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.743830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091125/publication.txt
observed 93bd80946d994200fd8f9679ecacef82...
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.