OpenTechnical

OT-2026-000087422

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087422) never changes.

Identity and time

Publication numberOT-2026-000087422 · never reused
Internal UUID01a0ae9a-cd50-7686-bad2-cb54dbb994f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087422
StatusPUBLIC

Content hashes

Canonical text79fa2f06acb95d633f392c40f26508006c2a15bb196dbeb39efa643b74b5a1c7
Markdown8a2eafcbb6b1f2ab236c2c1de9b448dc92a0805e2965bf3bc6266a49fddf4aec
PDF
Publication page4d450ebf2dd5f12aef9903a62b117b96b5fb35158066eeed70bf177d63c54b62
Manifest393e5c069a5d2b286953437a565d62685ecab5d6c9b99bc0ed7f14f6d220bce7

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
SignaturegxjztX1ZbOytZ93OFcRSSQFJ0WBIJb+5rY8ueF+LyXfwgF6b0kOwcA+heoMdXuAfkrTjN5dKF/dfRiCyMdEgDA==
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

2026-09-17T09:50:44.504770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087422
observed 4d450ebf2dd5f12aef9903a62b117b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.486678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087422/manifest.json
observed 393e5c069a5d2b286953437a565d6268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.467197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087422/publication.md
observed 8a2eafcbb6b1f2ab236c2c1de9b448dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.449745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087422/publication.txt
observed 79fa2f06acb95d633f392c40f2650800...
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.