OpenTechnical

OT-2026-000057849

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000057849) never changes.

Identity and time

Publication numberOT-2026-000057849 · never reused
Internal UUID01a0ae88-6ed8-79b5-9dd1-0021845b4eed · 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-2026-000057849
StatusPUBLIC

Content hashes

Canonical text006f1498d7d7eacc032449a376fcee0908bc36c8dbc029b44059d8790e282001
Markdown8ed3a2462cc141741abf0f4cafb7a5e626ff240cf75c3c34183faf83c262cd7b
PDF
Publication pagebd0175fd99160cee2784fc61b52b839a7f6c7670817cb7721aeeea9bf55022ff
Manifest57cae27ac7f8292b61955c914858d61ddbb5c07421f2d0c3a56be3c001d84c83

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
SignaturesYe5rfsnG81WMtzlVdKr0Oi7dlR8Qq5qVSJi1WvVKpYqiCSLVuTgOm5Z1yVwYINLtkXilecnrXHJZVVg+HUTBA==
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

2026-09-17T10:47:25.714643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057849
observed bd0175fd99160cee2784fc61b52b839a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.696879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057849/manifest.json
observed 57cae27ac7f8292b61955c914858d61d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.678978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057849/publication.md
observed 8ed3a2462cc141741abf0f4cafb7a5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.661522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057849/publication.txt
observed 006f1498d7d7eacc032449a376fcee09...
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.