OpenTechnical

OT-2026-000064515

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000064515) never changes.

Identity and time

Publication numberOT-2026-000064515 · never reused
Internal UUID01a0ae8d-a461-7129-9353-7b2f21e24c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064515
StatusPUBLIC

Content hashes

Canonical text9c2162da147592f52a2cce89fd0d6ff09624287f312f931c5f09789c946ccb53
Markdown9f1f42ad955efcc574c8cbcd2e527d7ee46e6bf7167a6b0000d9f4d5a7cf8d5b
PDF
Publication page28fbda9fdbfe714a92020e341afa259c7ec09350da036aaa38c187a6e072ab8b
Manifest6622a15efb474bc2ac65c317a6d6f1c3a820dd298a8698a900f02a1374c3df2d

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
SignatureYdtwXPERuV5zN+9hdvBUk2NYViZlLhst7w0Vx+jdLzv9raqghf3Jti43La8RnqRDx3HkcsVCI3GXNc7tEUbDBw==
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

2026-09-17T10:36:43.556283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064515
observed 28fbda9fdbfe714a92020e341afa259c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.537636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064515/manifest.json
observed 6622a15efb474bc2ac65c317a6d6f1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.519709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064515/publication.md
observed 9f1f42ad955efcc574c8cbcd2e527d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.501993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064515/publication.txt
observed 9c2162da147592f52a2cce89fd0d6ff0...
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.