OpenTechnical

OT-2026-000013395

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000013395) never changes.

Identity and time

Publication numberOT-2026-000013395 · never reused
Internal UUID01a0ae6d-6fca-76a4-9ab9-4e813464df4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013395
StatusPUBLIC

Content hashes

Canonical text5ea00f3dbe5ad39823a2fd079f1d9511e510ba8ae184260534cee8c3e1b0db16
Markdownd03585506adda50a437dc8f0562c3b5b927eca06b73cc736714c30d6412dcc18
PDF
Publication pageb36fe178822e622e163854a943c63403b5d7f5c1ee54b17cbca7c5ebaf5cfc6d
Manifest0344d2267de807ad7922d56266551890fb5eccb00298c0a1e9fba8ad1a682d9d

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
SignatureNUKOaxze4P8weW2ZUW52t/WjdGwZzRVDitF77mg/STL1kIsSOmc4ZsYNrMDfcTuxvcxS+b72rZesayMcedFOAg==
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

2026-09-17T12:09:52.102987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013395
observed b36fe178822e622e163854a943c63403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.083181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013395/manifest.json
observed 0344d2267de807ad7922d56266551890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.061732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013395/publication.md
observed d03585506adda50a437dc8f0562c3b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.041275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013395/publication.txt
observed 5ea00f3dbe5ad39823a2fd079f1d9511...
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.