OpenTechnical

OT-2026-000027696

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000027696) never changes.

Identity and time

Publication numberOT-2026-000027696 · never reused
Internal UUID01a0ae72-699a-7ac7-8dd1-a1f73ce0858d · 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-2026-000027696
StatusPUBLIC

Content hashes

Canonical text22722a05120e3d72303045fa8bfb3d59f0ae6e93bb2e27e6f811859dab50785c
Markdowna484cb1ca13cd13fe303a8ad1c9b1b29a66f6ee0d52e6aaa88efeb6898b8ca11
PDF
Publication pageb825cd2a1ca3aba60f18019cf9f0fa17f9505165193eefb62c48cc002a960b24
Manifest38d1d81a997a4126599e7e36a1727856955e8323619a1262210dde22c51274c2

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
Signature0fcLDTS36l8eNfFvT+/wQ0wwmLr8C0QeNrcHa8i5lZbHUvYI1RuOpXGqU7nbpkmURLEuxny/MJJh/qg4CU6XCQ==
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

2026-09-17T11:43:14.530843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027696
observed b825cd2a1ca3aba60f18019cf9f0fa17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.513500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027696/manifest.json
observed 38d1d81a997a4126599e7e36a1727856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.495877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027696/publication.md
observed a484cb1ca13cd13fe303a8ad1c9b1b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.477849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027696/publication.txt
observed 22722a05120e3d72303045fa8bfb3d59...
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.