OpenTechnical

OT-2026-000063119

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000063119) never changes.

Identity and time

Publication numberOT-2026-000063119 · never reused
Internal UUID01a0ae8c-94aa-77d4-9d13-314ddc263e2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063119
StatusPUBLIC

Content hashes

Canonical text73d3d1019c9c7a815290a5b33b6c695f9d49bc9b1ea74086ed95440e13c07029
Markdown684d33fa8f288218dadd7023130c4d3a8f0212f542c6938697569595ff07e5a7
PDF
Publication paged2dd12471e4e88bc84b91a97ed52d88208c11ce0d340daf7c32153746c8646a2
Manifest19df2e5a8595054a4ad4495bac0c9a7bb41be2c2eefebf74ae8ead75f5cda8ca

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
SignatureEN1Y0NcwNmPEAfTM8YgImkjCvWMi5HQ+0PcUEMbmig0LZa8dlSr5DeIUuf+Tg14ea8f0uwmXkqnK4CC/XWx7Cg==
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

2026-09-17T10:38:53.896880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063119
observed d2dd12471e4e88bc84b91a97ed52d882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.877923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063119/manifest.json
observed 19df2e5a8595054a4ad4495bac0c9a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.859496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063119/publication.md
observed 684d33fa8f288218dadd7023130c4d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.840898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063119/publication.txt
observed 73d3d1019c9c7a815290a5b33b6c695f...
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.