OpenTechnical

OT-2026-000013761

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000013761) never changes.

Identity and time

Publication numberOT-2026-000013761 · never reused
Internal UUID01a0ae6d-8de9-7c72-b735-bf95e7a4b409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013761
StatusPUBLIC

Content hashes

Canonical text232f3b5464cfd6c3beaa8343e9219c0dac35d5cf97924238f984179e841fc113
Markdown93248a89a743bf512b1f814a0536816285380213217991fa80e58827e35c392f
PDF
Publication page1945da73a5a732b7ed23d6c04ca03aa335362cabd845c2ba47744a24c058cbcc
Manifest99e590989609d1e4c48c0e580a9c6393f551a63379de4f05e8ee49330604545c

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
Signaturezg6C+MxzOoeYDygeZ5e15EIxePkpvtURH4sz7xmKnA3IfYjQdxoV1A1fYQGZ1Ub3EPhZhrEvKUhtdZD+lTEEBA==
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

2026-09-17T12:08:50.186321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013761
observed 1945da73a5a732b7ed23d6c04ca03aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.165588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013761/manifest.json
observed 99e590989609d1e4c48c0e580a9c6393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.143656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013761/publication.md
observed 93248a89a743bf512b1f814a05368162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.123594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013761/publication.txt
observed 232f3b5464cfd6c3beaa8343e9219c0d...
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.