OpenTechnical

OT-2026-000051120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000051120) never changes.

Identity and time

Publication numberOT-2026-000051120 · never reused
Internal UUID01a0ae82-c7b6-7437-b99e-14d788a38ebc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051120
StatusPUBLIC

Content hashes

Canonical text1103fc3761febc282a96ca092083bd38d4230619eec38326ead6e5daed0057b1
Markdown76e02ae500bab0d0066972395752d3849e133d3c3ade3dc36d25ee7d2f9b3600
PDF
Publication page1929e880616ff51286931b3be3dadf2b3eb64b5fee6cf2b50ea9663d1eb82280
Manifest9c91a3998d61d6e53e744bd5ee7d3e133e064eb541a2f904bbfa2cc68ace32dd

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
SignatureDOvS2gWLNVDx1W86R6/UayFKOcYnpg+Vv4ztQJaQQ2l7F0tg5jhH//YHPeyFp109lyjJaBQ80frBk+7Gii/XCg==
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

2026-09-17T11:01:04.349833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051120
observed 1929e880616ff51286931b3be3dadf2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.332828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051120/manifest.json
observed 9c91a3998d61d6e53e744bd5ee7d3e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.315252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051120/publication.md
observed 76e02ae500bab0d0066972395752d384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:04.296041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051120/publication.txt
observed 1103fc3761febc282a96ca092083bd38...
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.