OpenTechnical

OT-2026-000088828

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000088828) never changes.

Identity and time

Publication numberOT-2026-000088828 · never reused
Internal UUID01a0ae9b-8f10-7264-aa6c-e421ed726e98 · 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-2026-000088828
StatusPUBLIC

Content hashes

Canonical text07f1f87bc222817cd36b4de25f6692d75dff78c15dade7acb54f99f112178dab
Markdown6ad2d286cf7ff50a7950feaee0d9aadd0ff15e23ebcbacd3f70d517671051d64
PDF
Publication page583056dafa5a75e3133ce0bef5efbc79327279035605be65d5101301cc15d106
Manifest10b8c3a97117e843a1887d526f7409fe668cf105b9874d3166ec6e1ecbfb4984

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
SignaturewFAO9cuWHq6QyNNq36f82CDarPE41O+OnFKldRgKu13a0ranZeTwrBamh7CkR3aSMrpBcntzkQ5Vjs6xY50SCg==
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

2026-09-17T09:48:12.962198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088828
observed 583056dafa5a75e3133ce0bef5efbc79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:12.944471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088828/manifest.json
observed 10b8c3a97117e843a1887d526f7409fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:12.923440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088828/publication.md
observed 6ad2d286cf7ff50a7950feaee0d9aadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:12.904130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088828/publication.txt
observed 07f1f87bc222817cd36b4de25f6692d7...
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.