OpenTechnical

OT-2026-000049318

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049318) never changes.

Identity and time

Publication numberOT-2026-000049318 · never reused
Internal UUID01a0ae81-1350-7596-bd3f-e31cc91a425a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049318
StatusPUBLIC

Content hashes

Canonical text9829907f75eb00cf598dee3c8b91b1c2f2a30710bdacbf8bddfc82c48c4e07ee
Markdownd2a723a9df77bf674eff912a7aeff3f595c5b7f2539a32876effbfabc495d261
PDF
Publication page7a3407d9776f8822bb31ab93613b287807a20ee19140c7e148c7d354a2a86aeb
Manifest64135b090330fe46ee957d9fb9464d0647360c922882e3f0ed02970993a2dbf6

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
SignatureycNmuVmrbpigW8x9BpqUoHgONM2HEW9K+PfNVd6hG5ehtJoL/VYj9DLZEGl3oLtN6rlsRly+yaqXfiTptWxbCA==
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

2026-09-17T11:04:11.424657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049318
observed 7a3407d9776f8822bb31ab93613b2878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.408772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049318/manifest.json
observed 64135b090330fe46ee957d9fb9464d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.390329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049318/publication.md
observed d2a723a9df77bf674eff912a7aeff3f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.366159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049318/publication.txt
observed 9829907f75eb00cf598dee3c8b91b1c2...
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.