OpenTechnical

OT-2026-000037901

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000037901) never changes.

Identity and time

Publication numberOT-2026-000037901 · never reused
Internal UUID01a0ae77-f88a-799c-9e06-25642326e4e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037901
StatusPUBLIC

Content hashes

Canonical texta31060e859b1b28d591648345ebb096d2e82709932dd9c94ed2903a2a5f72108
Markdownc917abe882ffae8d5eb73f3873e6ba3873b7a5cd070a752c85aea2ab56dca3cc
PDF
Publication pagee5acb4b0c862f3ee7975c3cf9a5371a3d110cf746cc563e944ed87f3273a97c7
Manifest61da71fb542c3c71c2cd180658a99bdd7c51d87a9155e5764a0a5f820e80c03f

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
Signatured1caoV2iQRyDn/cnu5FTLfxtbrRWbsrwuVSLG+uOpJ7Muwxu/5O5Xre0dsATmjsO1D6V7Er6u8431jn/aggqAA==
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

2026-09-17T11:23:10.171534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037901
observed e5acb4b0c862f3ee7975c3cf9a5371a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.154866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037901/manifest.json
observed 61da71fb542c3c71c2cd180658a99bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.137387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037901/publication.md
observed c917abe882ffae8d5eb73f3873e6ba38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.119900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037901/publication.txt
observed a31060e859b1b28d591648345ebb096d...
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.