OpenTechnical

OT-2026-000089627

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000089627) never changes.

Identity and time

Publication numberOT-2026-000089627 · never reused
Internal UUID01a0ae9c-1a21-79f8-8887-f4898a7b3650 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089627
StatusPUBLIC

Content hashes

Canonical text38133bd7cca7492b75e9053cdbc2afaff05b5c3ee346afd0f8d974633343105b
Markdownae4f1581c0facb7cdce8a955ea6375311e1d35802a85322b84274bf6674d587f
PDF
Publication page3ee7ba343469bebcc69aee8c0fc4451eb3cde4cbcaefff1dfe596e48b5eaf66a
Manifest34e2122ab30ef8646e900f9fc93f790991c3d10e354cf0e898020e27cbe8e0a6

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
SignatureMsy7dpANsEp8MUfn1pbl729xRquPfXGzo5nOJCN2Zb4XHcuxp1JMUTVveNnmj1FwCuheGDak6L0rQFjrhwKXDQ==
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

2026-09-17T09:46:36.791605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089627
observed 3ee7ba343469bebcc69aee8c0fc4451e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.773524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089627/manifest.json
observed 34e2122ab30ef8646e900f9fc93f7909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.755846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089627/publication.md
observed ae4f1581c0facb7cdce8a955ea637531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:36.738968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089627/publication.txt
observed 38133bd7cca7492b75e9053cdbc2afaf...
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.