OpenTechnical

OT-2026-000027229

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000027229) never changes.

Identity and time

Publication numberOT-2026-000027229 · never reused
Internal UUID01a0ae72-3454-7e02-98b3-e6c9ee5ce08e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027229
StatusPUBLIC

Content hashes

Canonical textc5871f1e76c0fae19851995a8d297db18de055dc7b8e15c707940696428841f6
Markdown2c9a585b0372b3d4591b2a4e121c071482b53a9eb311dd3b8a9ba2f41ee92f4c
PDF
Publication paged8284bdbb4f76b1034b73b73c47c07530c19c2c09024059aa4ed4c6a2cf0a68b
Manifeste1aa8739741c3e6d55c8e00bfba535012294d2601f64aa13870c87e46f951547

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
Signaturetc7x7NoTmyS2J2t7VYMLm0/VhtyQle6ue1tQMHmXy1vsMGkB7cmQOGtxppo+JEpl7iggBWBtVcipVfXCvjyPAA==
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

2026-09-17T11:44:07.350223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027229
observed d8284bdbb4f76b1034b73b73c47c0753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.334328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027229/manifest.json
observed e1aa8739741c3e6d55c8e00bfba53501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.317162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027229/publication.md
observed 2c9a585b0372b3d4591b2a4e121c0714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.300730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027229/publication.txt
observed c5871f1e76c0fae19851995a8d297db1...
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.