OpenTechnical

OT-2026-000064620

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000064620) never changes.

Identity and time

Publication numberOT-2026-000064620 · never reused
Internal UUID01a0ae8d-deb8-769e-a7f8-9866ee6c4955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064620
StatusPUBLIC

Content hashes

Canonical textbb26c30b060091121663a4518f4f53629ae84412bf69f0881b0492b6ff0d9579
Markdownd4718b6d2d836d38b4881807cf5a3f9fee3af28b554930b071f177fe6c6e81fb
PDF
Publication pagea2397ef08fe2165266991197baed9148133310f512cc5a90be0402cbe1f05c9a
Manifest9b3099fff93f9391d56d8bed980416ae0a66ef8b9e182440b3d42be91304ece0

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
SignatureU1lHTzxfJtQ28DuAbH11LFjuLaskx35+0VQJX6xRdHV4bYltoaq5hkrsXMVF+n2qNiI2DFA5xiIGHmH4dK8PDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:23.967317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064620
observed a2397ef08fe2165266991197baed9148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.950226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064620/manifest.json
observed 9b3099fff93f9391d56d8bed980416ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.932224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064620/publication.md
observed d4718b6d2d836d38b4881807cf5a3f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.914418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064620/publication.txt
observed bb26c30b060091121663a4518f4f5362...
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.