OpenTechnical

OT-2026-000052007

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000052007) never changes.

Identity and time

Publication numberOT-2026-000052007 · never reused
Internal UUID01a0ae83-e78e-7cc0-8ca5-f74b356d6ff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052007
StatusPUBLIC

Content hashes

Canonical text265772f5507e15e12359c5adb3827d629c6bd9721edaf83661c6fc5a77e166a6
Markdown8dcdaa00c9c946285f858db179b2d7279243181590fb511d7199245a620db89b
PDF
Publication page0c3fcb8ac713adc700e29de1e261e40ce64226310750f7705321cefc9a44e5da
Manifest91f2b09745404ec54068074491f54c1914de353cfa1d72b4d83bb2dfd87304fa

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
SignatureanuAXY886lku4jZq184KQbDMCqQFHyqQGjp2Aqp16kfOD0mLNVtrYsRT7QBzoH0+pd5rq0kFnEQ+mZZqc0SHBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:30.892306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052007
observed 0c3fcb8ac713adc700e29de1e261e40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.875654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052007/manifest.json
observed 91f2b09745404ec54068074491f54c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.858748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052007/publication.md
observed 8dcdaa00c9c946285f858db179b2d727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.841399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052007/publication.txt
observed 265772f5507e15e12359c5adb3827d62...
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.