OpenTechnical

OT-2026-000048574

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048574) never changes.

Identity and time

Publication numberOT-2026-000048574 · never reused
Internal UUID01a0ae80-4de7-72e5-b601-8604a50e4eb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048574
StatusPUBLIC

Content hashes

Canonical text9eca9f82e11ab3206c2f160515b596ac90b95afe5e6827f5e63b99c9cb068469
Markdownb88d847fd413fa5c2d0f28861a9845a94eed56b0ef5800004a6da2c053d391e8
PDF
Publication pagea397813de585f66186a1a48d98b4ba5fc58c392650f3bad020148f5f5b8ab263
Manifest4b3f5ed31cf1b91c0c35bbc2d7de2d4d0678f46b32c859f06eeabdb2f8c1c12c

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
SignatureiA+WL4duBSGxM0ud5U1l5l+wjk9X3iBKepbFPVggYtc+uLpla9H4aYSt3NfrjKWWHcJ9wVcg8uUq9Sb9Y5lWBw==
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

2026-09-17T11:05:22.697586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048574
observed a397813de585f66186a1a48d98b4ba5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.677368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048574/manifest.json
observed 4b3f5ed31cf1b91c0c35bbc2d7de2d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.656718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048574/publication.md
observed b88d847fd413fa5c2d0f28861a9845a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.637394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048574/publication.txt
observed 9eca9f82e11ab3206c2f160515b596ac...
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.