OpenTechnical

OT-2026-000034058

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000034058) never changes.

Identity and time

Publication numberOT-2026-000034058 · never reused
Internal UUID01a0ae75-df0c-7b01-901d-e19d9753c5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034058
StatusPUBLIC

Content hashes

Canonical text42d6e1e03082ca0297d9eb36987be080771c04e339bf22a6afd26676f5990f51
Markdown91fa7e4adb30d1fb22c4ff842870f52ce29a0617f6fc196b134a5df2e6cd8d22
PDF
Publication page33a514abb37a6b4247022cd1927fa3b73a449ac567b6504c747e7fab84038c00
Manifestad6b8eb300571a2d549d872fda1c82e597a1d392c7acbb5f0f7255f47b050e21

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
SignatureNVAfGqKOhMTg2Ig9LUgBTn4HjQ5zWPBOZVHSR79J5JlaHHRcvqzEp9VErGLJe8Oq5p8J+VamnhE55a7kyXDgDA==
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

2026-09-17T11:30:17.995624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034058
observed 33a514abb37a6b4247022cd1927fa3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.979701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034058/manifest.json
observed ad6b8eb300571a2d549d872fda1c82e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.956944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034058/publication.md
observed 91fa7e4adb30d1fb22c4ff842870f52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.938700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034058/publication.txt
observed 42d6e1e03082ca0297d9eb36987be080...
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.