OpenTechnical

OT-2026-000018508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018508) never changes.

Identity and time

Publication numberOT-2026-000018508 · never reused
Internal UUID01a0ae6e-b48a-7586-9413-935ab1b8b4e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018508
StatusPUBLIC

Content hashes

Canonical text3d38de65d7cf8409328ef8621e3c32a2266a9ba3f2664dcfcd75e4b1b888aae9
Markdown213fd6f01c476ea62d7aeafceb968dff7a196b8f2e62afe1df27a2344e52924d
PDF
Publication page74ff09ce2a323b1883814fcd65447e58863de0c161ba705aa5db80fa2d1fc0bd
Manifesteb4724853076c6ccda991cc6fb6fe3ec4e6c3a37e174c88afd3233f91a5d9a32

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
SignatureqbSRD+3xr/BgTHI/ygpHkwS5lHd0nKxOzosDonlBLU+pO7rD4Ul1R0dji8NpGbTkwlrviZUFAdJmYEjhwdZmAQ==
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

2026-09-17T12:01:16.778126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018508
observed 74ff09ce2a323b1883814fcd65447e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.761793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018508/manifest.json
observed eb4724853076c6ccda991cc6fb6fe3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.745458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018508/publication.md
observed 213fd6f01c476ea62d7aeafceb968dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:16.727973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018508/publication.txt
observed 3d38de65d7cf8409328ef8621e3c32a2...
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.