OpenTechnical

OT-2026-000011216

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, vented 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-2026-000011216) never changes.

Identity and time

Publication numberOT-2026-000011216 · never reused
Internal UUID01a0ae6c-5410-700a-b386-ca797010526d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011216
StatusPUBLIC

Content hashes

Canonical text929ff2dcb211a83d9e9ea2adc4d058c0d180f60d3e06be36cc78e52f6ab54e87
Markdownce46b5a3ac87f7e51a10969a5127379cfe4703ef7633f5dd4ef5c8571e1c3426
PDF
Publication page4cbb77a0c9783524d344e8e267f7660759df049e02c4e3723a520024cd7e80f1
Manifestb4b69b7d620507aa5d8f998389c596e2ee231e8beb18835d58da4a8a2d3e0251

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
SignatureLqwAidgmaMeDOBP6FzBfh0pZhlU8WPZgFPHzJUU/kTOAUPgEMO9JRpQ22N2N9ZmUEj/PfZ6lI4ExvTsAdQT8AQ==
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

2026-09-17T12:14:10.281460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011216
observed 4cbb77a0c9783524d344e8e267f76607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.262763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011216/manifest.json
observed b4b69b7d620507aa5d8f998389c596e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.241928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011216/publication.md
observed ce46b5a3ac87f7e51a10969a5127379c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.221730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011216/publication.txt
observed 929ff2dcb211a83d9e9ea2adc4d058c0...
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.