OpenTechnical

OT-2026-000042417

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000042417) never changes.

Identity and time

Publication numberOT-2026-000042417 · never reused
Internal UUID01a0ae7a-5d75-764b-b13c-358fba3440ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042417
StatusPUBLIC

Content hashes

Canonical textf17cfbed493de2561d2a7941e089d33cfe6eaf472dd4f5db1a0106e2cac9f3bb
Markdownd3cef88ac97395bc40fd0f7223b6e10de475aaf04079bad20ca0026f3d89cd95
PDF
Publication page654dbee45a393b1a86d56e32084fe7d0eca12187faa383f4648f513c05fcc3c7
Manifestb114bf11b131c778fe1637a6819abd8df631093f80251e467723d1f6346d4c6a

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
SignatureYk2/GhyjAalEGqL0PDi1zwqZJPWL2+KifgDUN61ytQoicrMYMnNMOgOqC1SkNAFcxjixaHNwPjVAKK13f8EoBg==
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

2026-09-17T11:16:12.938326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042417
observed 654dbee45a393b1a86d56e32084fe7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.919678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042417/manifest.json
observed b114bf11b131c778fe1637a6819abd8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.901208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042417/publication.md
observed d3cef88ac97395bc40fd0f7223b6e10d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.882956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042417/publication.txt
observed f17cfbed493de2561d2a7941e089d33c...
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.