OpenTechnical

OT-2026-000089128

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000089128) never changes.

Identity and time

Publication numberOT-2026-000089128 · never reused
Internal UUID01a0ae9b-db00-78ab-bc43-dbeb2f7f3fc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089128
StatusPUBLIC

Content hashes

Canonical text3107288b35704aa7507c9077fca26fde9928552b6c9099742216fb0e83a446a0
Markdowna39827aff4a3486f233f324dde50685c863f88200b1167df5a6520d5acbeb0ac
PDF
Publication page912cb99866111c38ad363c538017908162f16d798d09b74b27c0a163c73c46e5
Manifestb6b75c9a1917c0c296117229d75fe013a6d8bf404bae800faaa6a41cc8b255ee

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
Signaturew/r5P2IIUo84eUf6zQ89nLLV+4C8ZaMSBak15oNscg4GifXOCfj6BubiDz31fLK5nCnCaEAqBdJJRReybTUAAg==
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

2026-09-17T09:47:02.828145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089128
observed 912cb99866111c38ad363c5380179081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.810491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089128/manifest.json
observed b6b75c9a1917c0c296117229d75fe013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.792705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089128/publication.md
observed a39827aff4a3486f233f324dde50685c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:02.775470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089128/publication.txt
observed 3107288b35704aa7507c9077fca26fde...
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.