OpenTechnical

OT-2026-000021140

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000021140) never changes.

Identity and time

Publication numberOT-2026-000021140 · never reused
Internal UUID01a0ae6f-865b-7fab-953f-9436d4aed4f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021140
StatusPUBLIC

Content hashes

Canonical text1ead109d8600a0ce371b68fbf2f21557817558e9c4f49af14e6077a1126f1a03
Markdown9a1ced0ed4cff94e27ad471e3106ecf1440f8fea5825519d3dd8a88abc4d2f31
PDF
Publication page0f7cbe8239a69cea90cfd3219d3b21d1306d34d6ce50acf84058f41a1c1405f8
Manifestd5a61d09ccef271043a2f5d248e3b8cc2907526ff73f834598f17431a9708c7a

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
SignaturekWlcY7k3tVwtFTn9hiL4tgi0p1mZAJe0JFhH7mweBFxTV+13hp4pApll1ojIXQfGflXSWBVtTXF76vahVp8xBw==
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

2026-09-17T11:54:53.659928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021140
observed 0f7cbe8239a69cea90cfd3219d3b21d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:53.643216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021140/manifest.json
observed d5a61d09ccef271043a2f5d248e3b8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:53.624274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021140/publication.md
observed 9a1ced0ed4cff94e27ad471e3106ecf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:53.606167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021140/publication.txt
observed 1ead109d8600a0ce371b68fbf2f21557...
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.