OpenTechnical

OT-2026-000048433

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000048433) never changes.

Identity and time

Publication numberOT-2026-000048433 · never reused
Internal UUID01a0ae80-4de5-7ad9-9540-597262af6706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048433
StatusPUBLIC

Content hashes

Canonical textc34ac8069684dd0d14518352413fc6d15dfb217ee85e29fe07346fde6283c841
Markdownc9ee34f2177eaa8bba924edb5c413b5e2eb95a5f247297181665acd04e56ef56
PDF
Publication page977eb75649b3ce070299aab1138aa7b58c08b8935234ddcd50c9caf2eefb78b3
Manifest0fe4604e5c9df193ce5338992185035c381e107cd31dc18639f4fdf780fa5236

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
SignatureSXI8AeMtJBCGUIVg0Vtz/LHLZKzWFp3sbBNeo3FE+LcMqnqi7rJqWJEpUzn8S3CeaqJCPBG6rdiy7Gf2rnggCA==
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

2026-09-17T11:05:04.959612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048433
observed 977eb75649b3ce070299aab1138aa7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.939683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048433/manifest.json
observed 0fe4604e5c9df193ce5338992185035c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.919698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048433/publication.md
observed c9ee34f2177eaa8bba924edb5c413b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:04.901381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048433/publication.txt
observed c34ac8069684dd0d14518352413fc6d1...
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.