OpenTechnical

OT-2026-000055467

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000055467) never changes.

Identity and time

Publication numberOT-2026-000055467 · never reused
Internal UUID01a0ae86-a102-7a11-ae3c-e5b4cf8a0a3c · 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-2026-000055467
StatusPUBLIC

Content hashes

Canonical textc7114c0ef6034f9716d0ae00c0e4838139ea5e1d0395948ec75ab5a6192338e1
Markdown49e81634c85f2c07e2e1781b8e343934b49ce087c7ed88dec32a7b07c98f3441
PDF
Publication paged4ee18475e02110ce0bd5bab8dd97195ac67981a045fe471cf7170d31fd9d8b1
Manifest932d76fad131dc4d19f481d8c31a856962ad16e3c8491681a810c6f6e74f8b65

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
SignatureZLUP47JtlqAHxeEYLIiTxHWtQNjXPOTfj6BAz3AqmaVShzvESku4Hdo1eOAONMfM8wOTbQkPCVnUgOpePJWmCw==
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

2026-09-17T10:52:07.690416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055467
observed d4ee18475e02110ce0bd5bab8dd97195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.673184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055467/manifest.json
observed 932d76fad131dc4d19f481d8c31a8569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.656591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055467/publication.md
observed 49e81634c85f2c07e2e1781b8e343934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.638229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055467/publication.txt
observed c7114c0ef6034f9716d0ae00c0e48381...
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.