OpenTechnical

OT-2026-000027226

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000027226) never changes.

Identity and time

Publication numberOT-2026-000027226 · never reused
Internal UUID01a0ae72-3454-7881-85b3-cb4184d26ec8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027226
StatusPUBLIC

Content hashes

Canonical textdbfe94a01fbb617e569daed6ee9dddb6e1ccafca7d5009b7ed1a8eb4de3c016d
Markdown298f4843e37a355b27b7439467cce165cda61d0c468d94a632c465f1c14dac46
PDF
Publication page102d98a9932a112fc10f2ec9298946717fe53bc5ae6ff66d3823489c9f787114
Manifest8d465ef31b41822bfc39af83a78244e413011817efc138df8f26d6ab52e6763e

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
SignatureO7lJuNHnvDrItX5fAeaW70tfW7KESv2NrtgDAmc0svnPHWX2GnI51n85xQdVRnl5SBjEqjWOLbTrMvZqlkEOBg==
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

2026-09-17T11:44:07.137139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027226
observed 102d98a9932a112fc10f2ec929894671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.119218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027226/manifest.json
observed 8d465ef31b41822bfc39af83a78244e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.103120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027226/publication.md
observed 298f4843e37a355b27b7439467cce165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:07.085954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027226/publication.txt
observed dbfe94a01fbb617e569daed6ee9dddb6...
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.