OpenTechnical

OT-2026-000014895

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000014895) never changes.

Identity and time

Publication numberOT-2026-000014895 · never reused
Internal UUID01a0ae6d-d095-710e-9e54-192b74a1858b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014895
StatusPUBLIC

Content hashes

Canonical texte63607276c7e5e09586261d02eaad6a3214d873eb0d6105c647cf363281805fc
Markdown266a9c16da0cfa3dd69bc12291f85f9030d20c0ca76ba6edc81fa91d845ef080
PDF
Publication pageebae51f2e68145da60dcee3d5a9765acdef9adabfd96e3c9b200bb6884ee5ea4
Manifestddcf94b79a1e80c0210d7ba061c0b1d9e60396ebc2921add4890287de6b75676

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
Signature3bUpu/T2LsF6toTX76C3U3Ip0n7R/yAdrgFDXpCSGgqUBg33ZPduB4z5kvv1VP/j8odILJqmV5tU/fJ/wZ7QAw==
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

2026-09-17T12:06:49.516207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014895
observed ebae51f2e68145da60dcee3d5a9765ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.498596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014895/manifest.json
observed ddcf94b79a1e80c0210d7ba061c0b1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.481229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014895/publication.md
observed 266a9c16da0cfa3dd69bc12291f85f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.463579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014895/publication.txt
observed e63607276c7e5e09586261d02eaad6a3...
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.