OpenTechnical

OT-2026-000016469

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000016469) never changes.

Identity and time

Publication numberOT-2026-000016469 · never reused
Internal UUID01a0ae6e-2d13-76f3-9c62-3527444a33c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016469
StatusPUBLIC

Content hashes

Canonical texta415d0275a0ef3b670c18a05d99572ef687c4d04a118f859d5b7c4f5335cd45b
Markdowna391b83605b45bbb8c2a0f9ff378e987c25a1a59e1d422ec821266159c184aa9
PDF
Publication pagefeda1ff639772fb33c8bc67fd1dad5f0ebe45b1572098f69b5861ad46e1b108d
Manifest446d69204886c18325e2ce91511ca100ac53cee122735efef6d3ff53f220c464

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
SignatureJPEupqnyF3EP77jQmsXc/59jZC06HrdSmyF3cTFM5gHI1eKfEHz15Vu2Y2RMF9NOYl7/P53GZ1kJlLxn11s0BQ==
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

2026-09-17T12:04:40.111959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016469
observed feda1ff639772fb33c8bc67fd1dad5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.094033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016469/manifest.json
observed 446d69204886c18325e2ce91511ca100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.075508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016469/publication.md
observed a391b83605b45bbb8c2a0f9ff378e987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.057167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016469/publication.txt
observed a415d0275a0ef3b670c18a05d99572ef...
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.