OpenTechnical

OT-2026-000020924

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000020924) never changes.

Identity and time

Publication numberOT-2026-000020924 · never reused
Internal UUID01a0ae6f-65e4-72b8-ad98-f6e8678be55b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020924
StatusPUBLIC

Content hashes

Canonical text57a621030d09909ac76a2091535fc57037c8226fcde80ab53217be99b07ab65e
Markdown7136a75f474615dccfe59974b858f50d3a2c6f8868e9b914a60d1fcc4f326503
PDF
Publication page807f1b9e12a5c5811d2cedbb37a4abd187dcdcdb53fb200944ac4d8ba4932066
Manifest6ce744db81f62aa4d95331da9fb8df3798a79f1f6118f98731b0a9386e6413af

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
SignatureAnMObKNcSOYMjp5GecuAEYUGLRcTpwqm4fHMZv55NZWbXxSOQLRFTC/9bGAfsbhbznajmbkP1YF+TGeKa1nOBQ==
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

2026-09-17T11:56:02.889454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020924
observed 807f1b9e12a5c5811d2cedbb37a4abd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.872720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020924/manifest.json
observed 6ce744db81f62aa4d95331da9fb8df37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.855625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020924/publication.md
observed 7136a75f474615dccfe59974b858f50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.837351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020924/publication.txt
observed 57a621030d09909ac76a2091535fc570...
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.