OpenTechnical

OT-2026-000044156

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-2026-000044156) never changes.

Identity and time

Publication numberOT-2026-000044156 · never reused
Internal UUID01a0ae7b-d67b-7ea0-820a-10cd850db5bb · 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-2026-000044156
StatusPUBLIC

Content hashes

Canonical text714d579de367ebf342f35fdb5321c955801268f6dfefb1748687fb5465344c14
Markdown1b4ea61b2a470d972a57869dc70f2b9ef10227316f579cf39e78f516bb57ba0f
PDF
Publication pagee6eddb5c0f3598d30d18768ecdbb977227b23a905a03323a0cb443a68b79b733
Manifest3281588c635ff23f3590e708130f9e9623967ae899a000c279a8a9d03b4a3b87

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
SignaturepFd6nnMDnob+tLZwYgvHboU28L1FmOfizEYAfYrYsaM/kgEJfzv/mTc1BNKWZDMar8eCzs+buixp+s7CMMeCCw==
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

2026-09-17T11:12:34.969478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044156
observed e6eddb5c0f3598d30d18768ecdbb9772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.952898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044156/manifest.json
observed 3281588c635ff23f3590e708130f9e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.933441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044156/publication.md
observed 1b4ea61b2a470d972a57869dc70f2b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.914889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044156/publication.txt
observed 714d579de367ebf342f35fdb5321c955...
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.