OpenTechnical

OT-2026-000061032

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000061032) never changes.

Identity and time

Publication numberOT-2026-000061032 · never reused
Internal UUID01a0ae8b-12f9-777e-bee1-686e04d583c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061032
StatusPUBLIC

Content hashes

Canonical textb6d2826a4b32e8d52ccae0251d880575691ed6ca568efc2f21551fffe5e16527
Markdown6125f291ef3c6e57d4f289c4a4d4aa964d8f28909b155268eb2984a94d8a61da
PDF
Publication page8e68c4a7a3b9b3f38afe7657f2859c064251c27a648bc903e5d2bf6890b334d7
Manifestdcc387c98f49979edd9c447722a28078ec331767fcaf1763361092f12e95f421

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
SignatureYWoVwRoQXy826wftPXJgryZMt/1dYjx0qqCXWLHXwnyF6nAsLNB96ETnzdOD6CeezT2ijzHMhoMYZcU8RLk9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:22.878629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061032
observed 8e68c4a7a3b9b3f38afe7657f2859c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.860487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061032/manifest.json
observed dcc387c98f49979edd9c447722a28078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.844356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061032/publication.md
observed 6125f291ef3c6e57d4f289c4a4d4aa96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.822724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061032/publication.txt
observed b6d2826a4b32e8d52ccae0251d880575...
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.