OpenTechnical

OT-2026-000061717

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000061717) never changes.

Identity and time

Publication numberOT-2026-000061717 · never reused
Internal UUID01a0ae8b-b8aa-7095-b1d7-02061cb5c031 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061717
StatusPUBLIC

Content hashes

Canonical textb9372c46d577c62ad39d96aa1c8d948296700f6dbf6f92bc269b9d82a821acf3
Markdown8ae02f1e8a6b3addc9ab6d125e609c82a03dfa6984366bc8cd421074e3be256f
PDF
Publication page75c95db4e7c8579c5d699cc1b6b25913154f2c5bbb99d3392ef2d82943132711
Manifestd01a338ec4fa1be229d8ec53864f42b7a8d872ef101500498846b4bf9f79c8fd

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
SignatureCv21nxoZZpwMgBGxI0t+Jp9YI5r195zcltqb8QpB2162jPE3ePbVLEDhRLn0lnINVm/B3XwULx2BgJMIpqB6Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:17.635101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061717
observed 75c95db4e7c8579c5d699cc1b6b25913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.616409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061717/manifest.json
observed d01a338ec4fa1be229d8ec53864f42b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.596188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061717/publication.md
observed 8ae02f1e8a6b3addc9ab6d125e609c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.575410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061717/publication.txt
observed b9372c46d577c62ad39d96aa1c8d9482...
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.