OpenTechnical

OT-2026-000031125

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000031125) never changes.

Identity and time

Publication numberOT-2026-000031125 · never reused
Internal UUID01a0ae74-87aa-7952-ba4c-7a89584b91f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031125
StatusPUBLIC

Content hashes

Canonical text1819ba15514308c6cef7cdd5dabddfe37803258c6978782f0dec544a815464b2
Markdown19942bf0d0fcb6331d926df2393cf3a83b6b5625aad8126f218b4a80fd107920
PDF
Publication page50bdf81071eddb17d109c45b12a98b10e307e8d51a98d0d693ab0f930afc1ef0
Manifestab7e6a2204bf9e4ffb3cd05707a992d314af30b4b6817a08810c309fade2d0d5

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
SignaturegWG/dHUbOP3h+krK2Dao1Pk9SQFJfodkZRIC4Ri1BRlXD8tB19bgTJJsBca6yP8QYqLoOPMku0M4FKJ/4HlwDg==
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

2026-09-17T11:35:33.683458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031125
observed 50bdf81071eddb17d109c45b12a98b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.662557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031125/manifest.json
observed ab7e6a2204bf9e4ffb3cd05707a992d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.643917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031125/publication.md
observed 19942bf0d0fcb6331d926df2393cf3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.624024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031125/publication.txt
observed 1819ba15514308c6cef7cdd5dabddfe3...
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.