OpenTechnical

OT-2026-000048100

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000048100) never changes.

Identity and time

Publication numberOT-2026-000048100 · never reused
Internal UUID01a0ae7f-c423-7b7d-9d9b-902dfb2b383f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048100
StatusPUBLIC

Content hashes

Canonical text3dd1c3a2f60e3292aa53369f1b663cf9f670027a5a18a9b4c3fe5e4121318e6c
Markdowne9930e2385cd913b29e1f604a55d71c2dc1833a5b52c97099164aff1354f8a13
PDF
Publication page9f660fb756ae83d96852e2a5bf3cd01698840f7e7958d5b21ce606a88f741773
Manifest1c2def923ac8c4b53a37b7168f6fbe357ca33422c6e4e6a2abbd75c18a9ccc30

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
Signature0EBOsQikCSf8HueRyk5ya+wWiap5wpxy0Qq+lFSDw53SCU0PWgGU/PEwJn9/tolu1dTZkdNLlpTsYwJPAFxiBA==
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

2026-09-17T11:06:07.525891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048100
observed 9f660fb756ae83d96852e2a5bf3cd016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.508952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048100/manifest.json
observed 1c2def923ac8c4b53a37b7168f6fbe35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.489711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048100/publication.md
observed e9930e2385cd913b29e1f604a55d71c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:07.472371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048100/publication.txt
observed 3dd1c3a2f60e3292aa53369f1b663cf9...
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.