OpenTechnical

OT-2026-000018836

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000018836) never changes.

Identity and time

Publication numberOT-2026-000018836 · never reused
Internal UUID01a0ae6e-d521-7184-a103-46b05d34c26c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018836
StatusPUBLIC

Content hashes

Canonical text266da6efb7c723e7817a8f1b942d57c37634c8710489db09eb342df2b56e7091
Markdownbe2c983180bb4f4fc14d7d7995b5c8508b9af55c33f8e5813d74a571d31d7cdf
PDF
Publication page50241a409899eceeff86f32f43219c62b053d9ef35c975236a6adeee0f3d77d5
Manifeste99c0315433fc639c0a373b64043c889f863d51b90f6773ecadb698fad594ed1

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
SignatureFjY7N9wVJEbhblAepjucfbqB8kz0amZ0KUpYvY6q1+lkOiMmT+jnhiwRa6n37PcT9bzu2m3foA/yc0IM8n7pBg==
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

2026-09-17T11:59:28.365390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018836
observed 50241a409899eceeff86f32f43219c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.347118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018836/manifest.json
observed e99c0315433fc639c0a373b64043c889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.329806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018836/publication.md
observed be2c983180bb4f4fc14d7d7995b5c850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.312171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018836/publication.txt
observed 266da6efb7c723e7817a8f1b942d57c3...
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.