OpenTechnical

OT-2026-000058772

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000058772) never changes.

Identity and time

Publication numberOT-2026-000058772 · never reused
Internal UUID01a0ae89-479c-73d3-9a2b-5a434b41d366 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058772
StatusPUBLIC

Content hashes

Canonical textceea381ce4cd1299894a9c56a96b64829c0362f944e15ae6c47db3e3884b47bb
Markdowneab5a1495c4db80df136698daecf949fa0f63568a62fee60180ab60c264e22d7
PDF
Publication page32a66dfa1be60bf9800a70880909935d4bb65d940515d5ac8b4cd307ba4e1aef
Manifest30355d4b13c46be4489b26a195c73ca3d2dc239b9141c952fff539ae29ce21e2

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
SignatureSrvq3lYPyG6eNxeAAA+fwV0tz1Va4J2m+4pyAqrVYkLvYoV2gI7pxiluzq06ChTn2UOzLXHBWix6pZLech5KBg==
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...

Independent retrieval

2026-09-17T10:46:17.132334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058772
observed 32a66dfa1be60bf9800a70880909935d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:17.066985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058772/manifest.json
observed 30355d4b13c46be4489b26a195c73ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:16.999706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058772/publication.md
observed eab5a1495c4db80df136698daecf949f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:16.982645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058772/publication.txt
observed ceea381ce4cd1299894a9c56a96b6482...
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.