OpenTechnical

OT-2026-000065370

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000065370) never changes.

Identity and time

Publication numberOT-2026-000065370 · never reused
Internal UUID01a0ae8e-46f8-754b-98a7-54fa3998b061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065370
StatusPUBLIC

Content hashes

Canonical text9e5617df677e746ce63807c2c623f0fc93d94daf3c8c697d7dc50c9d6616b29d
Markdown0e7b298bda7f9594bba0473836f3e1ec14d464fa636131dcebe6a1d5dedba710
PDF
Publication pagef11f3be2f1e8869bc22401dbd8521e437577ee2c1ecf2cd48eb96cf7e95dbfd4
Manifest06f69f166322f730413138e000daee94a54d824406282065b48eec6d0d80a98a

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
SignatureE5PyrmFWXlFC/sGyBBemy+wxzM+wVgYNI1W++umsghYSUVGGnXfzx14eh9Ii2pUw4nCjcZpYWo5ScTUa+rnvDw==
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

2026-09-17T10:33:37.209178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065370
observed f11f3be2f1e8869bc22401dbd8521e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:37.189682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065370/manifest.json
observed 06f69f166322f730413138e000daee94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:37.171090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065370/publication.md
observed 0e7b298bda7f9594bba0473836f3e1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:37.149875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065370/publication.txt
observed 9e5617df677e746ce63807c2c623f0fc...
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.