OpenTechnical

OT-2026-000066028

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000066028) never changes.

Identity and time

Publication numberOT-2026-000066028 · never reused
Internal UUID01a0ae8e-8dc2-7436-8d86-d8389ec4f617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066028
StatusPUBLIC

Content hashes

Canonical textde0fa32539aa3013a84230049b0c970db53b17c275c32f6cb5efaf610b5c12b1
Markdowndb21fbf3ac3f248b5e50f5b491965b4689dc971520e1859689c32133ca3ae81c
PDF
Publication pageeae0035b1f783bd339fe04a53a89b1ee9512aa9a4c483ded7f00692ee96bcdcb
Manifestc2cbd0dc689eafb9151159041f9e2e46ea6fe8ceec56d3f76ea7b142480c64ba

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
SignatureQkclmAbHjkbm/5kCqt84eBXARcxekw+1/0Fzstfhg20RyuInDnf6RbIMdLGp2z8n89qETMeCEFo2LuaLuEiqBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:36.236435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066028
observed eae0035b1f783bd339fe04a53a89b1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.084209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066028/manifest.json
observed c2cbd0dc689eafb9151159041f9e2e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.065536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066028/publication.md
observed db21fbf3ac3f248b5e50f5b491965b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.042252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066028/publication.txt
observed de0fa32539aa3013a84230049b0c970d...
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.