OpenTechnical

OT-2026-000060972

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000060972) never changes.

Identity and time

Publication numberOT-2026-000060972 · never reused
Internal UUID01a0ae8b-12f3-7208-8630-566148529367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060972
StatusPUBLIC

Content hashes

Canonical textbdd5c08fa455a6ea68bb674ce696e0b55c500c88f6b8e501898005913a63af65
Markdown887926a9662c29bfaf2895d7afcd3b35f54f8493df07a9ad2192abcb75485aa9
PDF
Publication page97ffe84fdc46613edc9f64a6c9b9e1bb749035f2851c19a1605e7fb18176836c
Manifest4073750d771e7ccef5395b83632bc5db87569556646bfd745fd8eb76a488d59e

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
SignaturePqDe6WZV21pEznah6CKV9W+Gv9bFwDPO0LccpSvu0rV1VBTrVov7qS8nFYFBwdEBUoy588h48cIP0zBueRkeAg==
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...

Independent retrieval

2026-09-17T10:42:15.244661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060972
observed 97ffe84fdc46613edc9f64a6c9b9e1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.227614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060972/manifest.json
observed 4073750d771e7ccef5395b83632bc5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.209776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060972/publication.md
observed 887926a9662c29bfaf2895d7afcd3b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.189995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060972/publication.txt
observed bdd5c08fa455a6ea68bb674ce696e0b5...
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.