OpenTechnical

OT-2026-000104535

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed blow-off after set-down

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-2026-000104535) never changes.

Identity and time

Publication numberOT-2026-000104535 · never reused
Internal UUID01a0aea7-239f-7020-a675-009486b362a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104535
StatusPUBLIC

Content hashes

Canonical textd4cb9930f51419f8e0fd63027f34f5e4093beef823219e6e4d3fb10d238e77a9
Markdownfb80ff7ad995c5d33998f12eab928f57fe832795a2af67fb54394ac9500e6de8
PDF
Publication page0b6a518fed269f1ecff4c6a21ded3d0e02ab36ddb3602349a49b19fd9e096a52
Manifestcc6bb9490a1db9520ec85898add7efca16944fa9dc1b14061ffc40b32652f888

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
SignatureooysRt29G/cdVMdDbYUdd++XMeM79jsR3VyNMhKwnPcrik1dkzZmqtLXY2YW1hSo9f3rpNQuVeYqME70eyjFAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:03.180935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104535
observed 0b6a518fed269f1ecff4c6a21ded3d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.164681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104535/manifest.json
observed cc6bb9490a1db9520ec85898add7efca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.148261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104535/publication.md
observed fb80ff7ad995c5d33998f12eab928f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.132377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104535/publication.txt
observed d4cb9930f51419f8e0fd63027f34f5e4...
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.