OpenTechnical

OT-2026-000008955

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, sustained blow-off before 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-2026-000008955) never changes.

Identity and time

Publication numberOT-2026-000008955 · never reused
Internal UUID01a0ae6b-31b7-76f4-94d3-8500a8422655 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008955
StatusPUBLIC

Content hashes

Canonical textecf220e1fffe4d4615f4ca5ee699236b1ff3a61d7b89971f214eea4e631f12b6
Markdown1c9922a0c3f3f0fb999dda1b89a1f3d61e974afa8a6e2c79f737049fbe75079d
PDF
Publication page7b353772cba0ab80e8e1e95ef195081749a5aa509681d1a97ba91a9ae0cda7f4
Manifestdf065a098761e2a490d3d678b1d270c10c53c89a064011623adb6fa709ceeffb

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
SignatureABztTux51iC/WLyIGwh563af5hswAn3O6BBDLJonl5RG9JRGFr0d4LinIkF1jEjU/1vy82aO2PyWfw0tKTHNCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:34.308937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008955
observed 7b353772cba0ab80e8e1e95ef1950817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:34.289677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008955/manifest.json
observed df065a098761e2a490d3d678b1d270c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:34.252294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008955/publication.md
observed 1c9922a0c3f3f0fb999dda1b89a1f3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:34.214961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008955/publication.txt
observed ecf220e1fffe4d4615f4ca5ee699236b...
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.