OpenTechnical

OT-2026-000088974

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000088974) never changes.

Identity and time

Publication numberOT-2026-000088974 · never reused
Internal UUID01a0ae9b-8f11-7610-841d-a5e8634505a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088974
StatusPUBLIC

Content hashes

Canonical text3bbf0b34db920a300130d79d8a74a0e85ca690bbf00d3dd6b63b649a69cdde01
Markdown4364320216b117a6cc4e70d1c8c7021a129a48c0704264cc0bca6d6ea1f75e71
PDF
Publication page2b75a47fb5bd63b99c06480a1c345c3ecf0cf098a5f0ea6661d549d9200bc48e
Manifest04ca1e4f4bc493be821a3c154fe13ba5e6c256a04f5b124b0bb38398ea3f5cb9

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
SignatureNlRTdXAiL+U/k0zs9W6wmzYdaapz4qzwizDXB1FVE4M2aJqSIUB4aVzkzVPBOvqErVesk2R+M+jh6Cy3aDk9Cw==
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

2026-09-17T09:48:28.106939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088974
observed 2b75a47fb5bd63b99c06480a1c345c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.087796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088974/manifest.json
observed 04ca1e4f4bc493be821a3c154fe13ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.069369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088974/publication.md
observed 4364320216b117a6cc4e70d1c8c7021a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.050414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088974/publication.txt
observed 3bbf0b34db920a300130d79d8a74a0e8...
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.