OpenTechnical

OT-2026-000073798

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000073798) never changes.

Identity and time

Publication numberOT-2026-000073798 · never reused
Internal UUID01a0ae93-2b8d-7a88-b185-f9f4b0aadd21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073798
StatusPUBLIC

Content hashes

Canonical text2a6938bb6fba4825296af86c52c43bd07c1fab58f096c78a5851e615bdc8e956
Markdown127b6959fc1c1f32e0b3b8d5475fbd192b56e4b48c5cc992d5ad87a31451ef2d
PDF
Publication page5c3275febee9d93a2b694c2ff16767e00d16e8efc4dc1a65b8ef1e853f6266d0
Manifeste2d046979d889f82a828b4db99020a35fe3fe0396527bb43c651c99ef999a95f

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
Signature1Q2yqSZcR1DlMh2tNVZgtT4OuWm+sTIBaO1j9E72ApGmgkSGrZy8D4VkUvrzFF/qbhGwwWpcuYiLyRo9GwkHAg==
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

2026-09-17T10:19:54.781483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073798
observed 5c3275febee9d93a2b694c2ff16767e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.762673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073798/manifest.json
observed e2d046979d889f82a828b4db99020a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.743472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073798/publication.md
observed 127b6959fc1c1f32e0b3b8d5475fbd19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.697626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073798/publication.txt
observed 2a6938bb6fba4825296af86c52c43bd0...
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.