OpenTechnical

OT-2026-000053335

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line 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-2026-000053335) never changes.

Identity and time

Publication numberOT-2026-000053335 · never reused
Internal UUID01a0ae85-0a16-721c-b1ab-f594536d3b66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053335
StatusPUBLIC

Content hashes

Canonical text1d5127a6deaaa49649e00edf3e32373c48968fbeb5fe206a011df06f05d4dd44
Markdown68320342d1490e07ff1d5d68d729d5bfce0a6bb47ffc6cd507046751f2fb4093
PDF
Publication page66bab80cedd6ea3b6f9b90e9de963ecac2fd1c4842c7019e5e66de2639a96c95
Manifeste5d960a7f92f057fa6ead802fa13c242ed06fd4d6884b9c94d8720ba758445a3

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
SignaturejQjmEX6LyGY2WgEYAlfH4xy8BspFqeGVOpt1DKNhwwxgVoAAPZ3njDkWl/BqDg32d+fS5czgXauOyxowv2MdAg==
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

2026-09-17T10:55:02.397807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053335
observed 66bab80cedd6ea3b6f9b90e9de963eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.378437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053335/manifest.json
observed e5d960a7f92f057fa6ead802fa13c242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.357758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053335/publication.md
observed 68320342d1490e07ff1d5d68d729d5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.338068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053335/publication.txt
observed 1d5127a6deaaa49649e00edf3e32373c...
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.