OpenTechnical

OT-2026-000015165

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000015165) never changes.

Identity and time

Publication numberOT-2026-000015165 · never reused
Internal UUID01a0ae6d-ef47-77e6-8191-a7d7b44467ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015165
StatusPUBLIC

Content hashes

Canonical text6d23f24d76ff9a68cfad3d255981d92f4a8c0050a2f61301ab5a94cc7f02cdf7
Markdown14373e6ef22455f27d322c81058cd870475a0f8f2f4141f5e2104b7f77be4249
PDF
Publication page54206edb53a6c2e3abcf0a1339d4827ceec463594485442f4348bc325be9fc89
Manifest8db8aa22e9d8623dfdfdf667e7f3d7ec26f3c435694667199a225851d08bc64a

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
Signature3i2rj7zbGtJ4ZWpOq2XeGw2mfP7whbXuOIhFEIOG0Zg7Q6AaGpizJLUjdewgeHlUiZP9Xgql/d5LZc1P6swMDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:46.844789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015165
observed 54206edb53a6c2e3abcf0a1339d4827c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.824838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015165/manifest.json
observed 8db8aa22e9d8623dfdfdf667e7f3d7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.805357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015165/publication.md
observed 14373e6ef22455f27d322c81058cd870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.786762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015165/publication.txt
observed 6d23f24d76ff9a68cfad3d255981d92f...
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.