OpenTechnical

OT-2026-000048122

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000048122) never changes.

Identity and time

Publication numberOT-2026-000048122 · never reused
Internal UUID01a0ae7f-c424-7ede-99d8-a2396ef44dbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048122
StatusPUBLIC

Content hashes

Canonical text5196cff4e3691b827f6b9c42cd4004c2fa35ac5cf710dc40e71ee48cd4d288fb
Markdown7a4fa33badb475d1d779c64b06cd3e25adcf70b8ea8195db85195803608e4284
PDF
Publication pagef07f3a740a3304f0fa6cd9bee5117125e5bc64cc93def1e304dae386c293194d
Manifesta6b0f2a385103eccb0bc8d88813e4733a6cdd51ed8db66c32984a4d28b36481a

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
SignaturegePkNnKB/tQuIjiYHWYqoWAhrg0Bja4FvTq53fcrK9pkAdgEz8rrQU323nrg8sngTV1aPvaHO0a9GMn3Woh+Dg==
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

2026-09-17T11:06:09.570491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048122
observed f07f3a740a3304f0fa6cd9bee5117125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.552163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048122/manifest.json
observed a6b0f2a385103eccb0bc8d88813e4733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.533479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048122/publication.md
observed 7a4fa33badb475d1d779c64b06cd3e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:09.514613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048122/publication.txt
observed 5196cff4e3691b827f6b9c42cd4004c2...
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.