OpenTechnical

OT-2026-000015812

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000015812) never changes.

Identity and time

Publication numberOT-2026-000015812 · never reused
Internal UUID01a0ae6e-0c4c-7d50-af1f-7a815271281d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015812
StatusPUBLIC

Content hashes

Canonical text76042fbe7a3d37bda5c8a9dcb1abe99873372a2ebff61f885d74d5cec538700b
Markdownc2956e53c435b275aa2e0a3343726375d27e914a67e9aa2f46c133e29cf64d3c
PDF
Publication page9efa0b9edb03f5503c3401886bd9812bd8eafc8d1a19ab5facbb203f4ba737a4
Manifestd1718392f9636702ec8600566802d8393857db6b3b197498560f0e37fff716e7

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
SignatureKfc2/fld5kV5NHAa+Avv5aSmak3jvQjFntOmHGW+4Qdhdqx97FcTr9bf0ysB0R4qv95Br1KX3aJlZfJb+ns9Dw==
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

2026-09-17T12:05:07.363847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015812
observed 9efa0b9edb03f5503c3401886bd9812b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.345136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015812/manifest.json
observed d1718392f9636702ec8600566802d839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.327773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015812/publication.md
observed c2956e53c435b275aa2e0a3343726375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.310176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015812/publication.txt
observed 76042fbe7a3d37bda5c8a9dcb1abe998...
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.