OpenTechnical

OT-2026-000048345

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048345) never changes.

Identity and time

Publication numberOT-2026-000048345 · never reused
Internal UUID01a0ae80-4de4-7535-9cd7-02f0bc3185e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048345
StatusPUBLIC

Content hashes

Canonical textdba62035e4ed0572cb8ef5cbc97b8fcbb8cefe6a1caa4cf3725ad8b37c4a2b9d
Markdownc6a7915878a80958f5c9f7db766a3e9ed78f6964784e3f1a950e3271be17aefb
PDF
Publication pageaa4a7591675fab4287c0b55f556825bc6d658dd37e1ab36e443efd4c3f4969b4
Manifest4dd699a0ab17e672b2f5183ec564beb3bc18073e119960b21a4525c113c343f2

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
Signatureq7BGBOsHiP0W1DgA38NEXc0/fvaa+bVsZsKct8XVS7LNDadDcZAQUqqPUHmvZ0qSdcb98qCNbElqoV6EBXx3Cg==
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

2026-09-17T11:04:57.444518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048345
observed aa4a7591675fab4287c0b55f556825bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.422480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048345/manifest.json
observed 4dd699a0ab17e672b2f5183ec564beb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.402246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048345/publication.md
observed c6a7915878a80958f5c9f7db766a3e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:57.379448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048345/publication.txt
observed dba62035e4ed0572cb8ef5cbc97b8fcb...
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.