OpenTechnical

OT-2026-000055117

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055117) never changes.

Identity and time

Publication numberOT-2026-000055117 · never reused
Internal UUID01a0ae86-5e82-7ed8-9c1b-f382b51a3daf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055117
StatusPUBLIC

Content hashes

Canonical textb951aaa67f11539f32e4bf234e348acf8b236b894bfbdaddc91dd9208973be49
Markdownba71e9f8f3e5b172049c174845d1832a43f1b606a87d9dcd335228050c2e58ad
PDF
Publication page09748f30bb879ca0033a64113765463c915b3629ce62397b949a5f3e65d94237
Manifest9969340e62644f726cf3f11f6cb9383463a1c3953f7caf03f2b949115ecd5d0a

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
Signature9SPTarNCFwAjGHsFkQaZRb8nx+NWpsLJ5zpX3cvWDqt42IJIFTSdrwJ0xHrpM7xKM4z5IQhYgoc9z0UlB+KwDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:16.919325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055117
observed 09748f30bb879ca0033a64113765463c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.899083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055117/manifest.json
observed 9969340e62644f726cf3f11f6cb93834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.877879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055117/publication.md
observed ba71e9f8f3e5b172049c174845d1832a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:16.859895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055117/publication.txt
observed b951aaa67f11539f32e4bf234e348acf...
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.