OpenTechnical

OT-2026-000033100

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000033100) never changes.

Identity and time

Publication numberOT-2026-000033100 · never reused
Internal UUID01a0ae75-4844-710f-9dc6-d4c688e830d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033100
StatusPUBLIC

Content hashes

Canonical text9b4b99f0b2e17fc573e4c2e261ff20fa41d5c0434b7399feb804bad14b7aa781
Markdown0ee6949b3075b4b1d79fbb1edaccd60ae16d396d88fb912bbaa4871c7433e84b
PDF
Publication pagece9f56a8f132bd08c74a032cc2da3ed8746e5978f8e185440b715d415d9d0970
Manifestfc8274564c476fcd7a510c02d2d08ad4f9d084579fcf55c625958cb7700979cd

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
SignaturemD2d2pHhqNv0zEx/S03LmnvGTHdMIeV/xCT+/g/pZ/ES0ZCxCvJLfOIQ1IC1KUDSZfqlTky9ANfoin75gem7Cw==
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

2026-09-17T11:32:45.153392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033100
observed ce9f56a8f132bd08c74a032cc2da3ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.137814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033100/manifest.json
observed fc8274564c476fcd7a510c02d2d08ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.121989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033100/publication.md
observed 0ee6949b3075b4b1d79fbb1edaccd60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.104476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033100/publication.txt
observed 9b4b99f0b2e17fc573e4c2e261ff20fa...
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.