OpenTechnical

OT-2026-000015457

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000015457) never changes.

Identity and time

Publication numberOT-2026-000015457 · never reused
Internal UUID01a0ae6d-ef4a-7de0-9f39-46cbabf77947 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015457
StatusPUBLIC

Content hashes

Canonical textec5d4b3a48458ca3f1d131272a7c21cce8e6a39955063c4ab589c589029800df
Markdown934cc9a1aed74dca8a2dbc84e8539cc1f3736194a10c46691426bfeb98ed8a08
PDF
Publication page835b707cc7cc0287dc1d83eba52ab36b1e91b1167d2d0354ebb59cb14523a60c
Manifestb4c4bc605268fee3f9f583889d5ce231875d840ef6b75af3fbe4e0d06d2eddf3

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
Signature7iHgFLb4eHS9Lqgs5XUf4I9M5WDbZYKXDUwVPDVCQQjMryJrYqGVAdeprSX3uH3SQuR7gm5pnxkcKb5m/VbsAg==
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

2026-09-17T12:06:12.440705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015457
observed 835b707cc7cc0287dc1d83eba52ab36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.418280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015457/manifest.json
observed b4c4bc605268fee3f9f583889d5ce231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.398485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015457/publication.md
observed 934cc9a1aed74dca8a2dbc84e8539cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.378327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015457/publication.txt
observed ec5d4b3a48458ca3f1d131272a7c21cc...
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.