OpenTechnical

OT-2026-000055009

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055009) never changes.

Identity and time

Publication numberOT-2026-000055009 · never reused
Internal UUID01a0ae86-5e80-7d20-9469-36f3ccb9999e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055009
StatusPUBLIC

Content hashes

Canonical textd1109b9d1293ff59bc892b57de1020caea0c6a07d3f29f0b5e6234ba48fdbf3b
Markdown25533effbb49e0dcc5218c45c271513b60784ef93e5610f558b4d01570d49e9d
PDF
Publication pagee3783ebecdf68b393f6b41367d74d11fcb4727b2fde7b0b00f66f1927f9cf947
Manifeste1cf4c11a0aa096ced45c2db7b52ba751dbcae1cb8a27ca8527de2bd8caa7ced

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
SignaturedwtL+V6GeEMxSHyDu5ejh2OXGQIHk0qlgnoJAH20M4uZrSA0lmeBDWWKvWH0eZXpUaSGZYrvlu+O9jILjo/JDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:08.410651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055009
observed e3783ebecdf68b393f6b41367d74d11f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.392322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055009/manifest.json
observed e1cf4c11a0aa096ced45c2db7b52ba75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.373831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055009/publication.md
observed 25533effbb49e0dcc5218c45c271513b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.356791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055009/publication.txt
observed d1109b9d1293ff59bc892b57de1020ca...
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.