OpenTechnical

OT-2026-000027369

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027369) never changes.

Identity and time

Publication numberOT-2026-000027369 · never reused
Internal UUID01a0ae72-6997-7d03-8659-a6f27588d0cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027369
StatusPUBLIC

Content hashes

Canonical text7f104d896ef413f2f449eb9384b141eeabbdef278b13be01d7b8f5a4feb5acda
Markdown805f79448bcf35324cf14e20bbc488990f24da89b9531d2635dc9d31cdb563cc
PDF
Publication pageea4c3e3331551ad101877ba39bee4e470ee25d04dbb9eb8f1ace40885a2c8607
Manifest45f7d28a53ffc0a17b773f4f0baf0eb81b670aaea01bfd382ca3160627b9276a

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
SignatureSpIYZ3ZyhpLKHMa/N0pzQZGqwhU5vsScZys/ZuuHPnIXU1M8QNUnpSr/cC9IHMA6e2tJ6/8ExWHGiLCYqV5tBg==
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

2026-09-17T11:42:47.047837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027369
observed ea4c3e3331551ad101877ba39bee4e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.028520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027369/manifest.json
observed 45f7d28a53ffc0a17b773f4f0baf0eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.012572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027369/publication.md
observed 805f79448bcf35324cf14e20bbc48899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.994468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027369/publication.txt
observed 7f104d896ef413f2f449eb9384b141ee...
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.