OpenTechnical

OT-2026-000055541

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000055541) never changes.

Identity and time

Publication numberOT-2026-000055541 · never reused
Internal UUID01a0ae86-a102-75f7-93c1-38f15ea685d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055541
StatusPUBLIC

Content hashes

Canonical text2adbb3554735f52c6382b21becec473758173e89ead16f5e057c412b9c0596a5
Markdown34df9a59830d242ffdd2b4edc7f5072ee76785b423df350c5c7ed80f30478203
PDF
Publication pagec479d87e33e86bb6b0188729662951ab8cce08077183b54ca83418415d249555
Manifest017cd8f43c2bbcf25c692361db52560dd97bcfa350e4a507cd7a315e4f9e8d72

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
Signaturey9xHLrIr9uWZ6t7afx0AjeGzbTrEm16St/Ew1MFbSbA2rMWZsztul3snqGz5PZA5g71AGwpTl1KdVy2erYVwBw==
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

2026-09-17T10:52:45.487165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055541
observed c479d87e33e86bb6b0188729662951ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.469900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055541/manifest.json
observed 017cd8f43c2bbcf25c692361db52560d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.453170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055541/publication.md
observed 34df9a59830d242ffdd2b4edc7f5072e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.431604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055541/publication.txt
observed 2adbb3554735f52c6382b21becec4737...
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.