OpenTechnical

OT-2026-000026559

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000026559) never changes.

Identity and time

Publication numberOT-2026-000026559 · never reused
Internal UUID01a0ae71-f4a9-7562-a35c-41e674b8e368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026559
StatusPUBLIC

Content hashes

Canonical text61cb61948ab49b81e895e370fd56ecb44b1adc741592f1835c416d3fc7a377e5
Markdown48919d5d0f03a99709a5050b8dad369756521ed19cf1ef3b555157f7aa8eb161
PDF
Publication pagec970d609e11674d30114a2ee74a2878c97642974df2f528e1c7fb2f644ffab75
Manifest4392b1bb103119226a793ac58c2515b54ac3d0cb7bd5353b2aae2f606b73ba9f

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
SignatureNak6TZYc03CYcGggVN2tb87vsdTj/Hfi4s3FGL+UbEjsm/J+PUgpXqkQXrxAqB3TsI2uD4s3FAJYGOG8I9EoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:44:41.300135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026559
observed c970d609e11674d30114a2ee74a2878c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.282480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026559/manifest.json
observed 4392b1bb103119226a793ac58c2515b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.263215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026559/publication.md
observed 48919d5d0f03a99709a5050b8dad3697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.246143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026559/publication.txt
observed 61cb61948ab49b81e895e370fd56ecb4...
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.