OpenTechnical

OT-2026-000023411

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000023411) never changes.

Identity and time

Publication numberOT-2026-000023411 · never reused
Internal UUID01a0ae70-7268-7d39-b413-105cdf26a4cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023411
StatusPUBLIC

Content hashes

Canonical text78169aa58cf9cf1621d9c2f3d2d9972c8ebce5c75ee73d66f7e9e2f4f3a11495
Markdown2a5ecce9738dd4a5977f67f48d12dbb28693434c3bec59ee8213b5ecd13f4fb8
PDF
Publication page3dcc280a143224c7cc625cee06e82c79167ab5741c4044fd9b7ff6307951ccaf
Manifest2069b77b1f543cd7f882b77bb4c8ed80bfa64b8542c60ce20153f12fe5363c1f

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
SignatureYPRKcvS70E6xs1lsRNFCwqEEUtTB809faOJcicM3r1bHTzh1xEWIsjXGiuEsEcJH2YYUKP4Hdocftod/JPkFAA==
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

2026-09-17T11:51:37.096196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023411
observed 3dcc280a143224c7cc625cee06e82c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.079645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023411/manifest.json
observed 2069b77b1f543cd7f882b77bb4c8ed80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.064077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023411/publication.md
observed 2a5ecce9738dd4a5977f67f48d12dbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.048747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023411/publication.txt
observed 78169aa58cf9cf1621d9c2f3d2d9972c...
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.