OpenTechnical

OT-2026-000018624

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000018624) never changes.

Identity and time

Publication numberOT-2026-000018624 · never reused
Internal UUID01a0ae6e-d520-7372-82d7-28d5751fd3d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018624
StatusPUBLIC

Content hashes

Canonical text010100b8736bd1b447decbdfe04cbd68d68e2b75feef403b5a6332de311d038c
Markdownaf5bac26db11c3e098eb1ca05685654868c5d2b6671f32c5365b21998e55d63d
PDF
Publication page15ac6f390e2547f1d29702ad6bbb11e15d7072c31f5106a87a14f0ed171ae2b4
Manifestdcaec1e89817f2fc3668e3182630a6ef810e13d840a27a90c8b1b7e2c8bee12d

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
SignatureOm0+rP2MRiVPlW3pQ2Xo3kX7DC4GBfEUWb13U/WR7KlQXI79ymKwpvhWKhFpX8yb1qIQWyOpEA21WGtPMHntBQ==
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

2026-09-17T11:59:07.357012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018624
observed 15ac6f390e2547f1d29702ad6bbb11e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.339991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018624/manifest.json
observed dcaec1e89817f2fc3668e3182630a6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.323433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018624/publication.md
observed af5bac26db11c3e098eb1ca056856548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.304903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018624/publication.txt
observed 010100b8736bd1b447decbdfe04cbd68...
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.