OpenTechnical

OT-2026-000044140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000044140) never changes.

Identity and time

Publication numberOT-2026-000044140 · never reused
Internal UUID01a0ae7b-d67a-7157-b1d3-a79828f98c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044140
StatusPUBLIC

Content hashes

Canonical text7a2aba249b6f28abcf9d45b3816d2cac47008e9ad33825a6e51ccda768cc4d76
Markdownb294e6da089459a340b5e735a221d93dab7a816d244a6fb2cf86c146e02ea0d5
PDF
Publication pagefb1382a52ff07e693914c13eff6b303627879f460f130d01548fd80b74d521a5
Manifest49667b75b02906234e5bf46c87703a23cdc707f6e98eb6bdec0800a1424483f6

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
SignatureaCth5c1H8V0qczAZPOlWEc5Bea7T3nPS1HiCD60Oj6IXhh6hHVqpMWwJk9UXF7s4Bh9ezSZv6tkfd2uIsmQ6Bw==
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

2026-09-17T11:12:33.697420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044140
observed fb1382a52ff07e693914c13eff6b3036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.678735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044140/manifest.json
observed 49667b75b02906234e5bf46c87703a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.660171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044140/publication.md
observed b294e6da089459a340b5e735a221d93d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.643902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044140/publication.txt
observed 7a2aba249b6f28abcf9d45b3816d2cac...
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.