OpenTechnical

OT-2026-000034572

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000034572) never changes.

Identity and time

Publication numberOT-2026-000034572 · never reused
Internal UUID01a0ae76-1ed0-7a02-a1bf-f3cda93f3372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034572
StatusPUBLIC

Content hashes

Canonical text383228d8d2451bd73acfd496e9d610af5e04b48ded0b0589de32fae66d7108f1
Markdownf29dd53f42bf36c563b38c936357da05e6ce0c0a514be13c36b0359c5fdc4f58
PDF
Publication page0f8d1dc2ab88ea19020604e7c37badf599c3ed0a25d5b195e207dc81de73d806
Manifest16cc3d7f6d2fc2413cc646be906178f341f4dfcd50f9c542d8d930baeff8cdf6

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
SignatureFLY00AhdUYptYsGhCJusdg4JubbnbCZJjQlJqzWoy/4FJWzFRL+zI0kUcQX3KSJRYhH2ZBBY+UM7Mnt7NwvdDA==
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

2026-09-17T11:28:56.414205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034572
observed 0f8d1dc2ab88ea19020604e7c37badf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.394053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034572/manifest.json
observed 16cc3d7f6d2fc2413cc646be906178f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.369789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034572/publication.md
observed f29dd53f42bf36c563b38c936357da05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:56.351728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034572/publication.txt
observed 383228d8d2451bd73acfd496e9d610af...
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.