OpenTechnical

OT-2026-000058192

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000058192) never changes.

Identity and time

Publication numberOT-2026-000058192 · never reused
Internal UUID01a0ae88-6edb-763e-bc4c-43e9b6938302 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058192
StatusPUBLIC

Content hashes

Canonical text1c7147ac9334bf5d8536a5fcccb1fab970b6ee6515632a2098755489b9585e6d
Markdowne412f9673cfd95b0db2d06edf3ca241eb91d9626fd698a091d7856520033c8aa
PDF
Publication page4df4f51855ba3ba155321657a4906ceb35717ec98aa7c653d8b5a4af73d5a863
Manifest3176931d66f11f6c3825e13a85818856934f5ce5ea02b9242847339a8bcc1e6e

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
Signaturek6A+HXc7aSTBrxmYxtEvZSWZCLf4xs3T2HMaHK+L6ezEEkCj08xrPHuX66VvXWdI8h6FqcDAW6OKooEZKI2SDg==
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

2026-09-17T10:47:51.635573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058192
observed 4df4f51855ba3ba155321657a4906ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.616405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058192/manifest.json
observed 3176931d66f11f6c3825e13a85818856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.596910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058192/publication.md
observed e412f9673cfd95b0db2d06edf3ca241e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.579173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058192/publication.txt
observed 1c7147ac9334bf5d8536a5fcccb1fab9...
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.