OpenTechnical

OT-2026-000088519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000088519) never changes.

Identity and time

Publication numberOT-2026-000088519 · never reused
Internal UUID01a0ae9b-5d28-77fd-be48-b3c73dc8b132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088519
StatusPUBLIC

Content hashes

Canonical text76fa90558c054f4f51367cfe37490593ad8f9e2b8a7a856c7577aaadeaa1e2bf
Markdownb31c89c673e8d733b3e8d3a5d634ed5271b28a2fafbc82117bfcee3a857c221d
PDF
Publication pageddbc587fe415cc56dd85cff852e538779b02ec6979ef40b0431cfb226509364d
Manifest61eacfe09e5563cbdeb3e70cd2f6aee26153ee4bcaa2960650d9a3f5b288e06a

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
Signature0SWftsqyKxcB4AuQ67JDxkQYvUCbKV8TjDwS/1HBUFiA8zI85THhK9erocD3zPCH8NndN95IzQEC2bG0HLV6CA==
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

2026-09-17T09:48:54.928158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088519
observed ddbc587fe415cc56dd85cff852e53877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.909456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088519/manifest.json
observed 61eacfe09e5563cbdeb3e70cd2f6aee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.890448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088519/publication.md
observed b31c89c673e8d733b3e8d3a5d634ed52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.873097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088519/publication.txt
observed 76fa90558c054f4f51367cfe37490593...
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.