OpenTechnical

OT-2026-000053060

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000053060) never changes.

Identity and time

Publication numberOT-2026-000053060 · never reused
Internal UUID01a0ae84-a431-7f3a-9b1e-db483a635a9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053060
StatusPUBLIC

Content hashes

Canonical text427456ae544723e2f35d888dbcb5bb0a0f571d2d9cb8245288ef28102d19c999
Markdownbc0c68767f175e82420ae5ddcb6739e67248fb9ba1bd9bd5d0150916f4ef8cee
PDF
Publication page5886d774dbc89df52efc5c7568db321817a4143d258ee224d6e4fb20a6990a68
Manifest0c810b7a6bdb803b682ead7b71c67a067610b1a19ecac82197598c7429a5f440

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
SignatureTjWuoFLIA5L9V6t0cIRScEdTATPjitjQuLcRAtDTYcR2Ia5qzM4C3dTvTNFoWnN/7wKfkacSHvctc423GYYSAw==
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

2026-09-17T10:56:46.402257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053060
observed 5886d774dbc89df52efc5c7568db3218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.384686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053060/manifest.json
observed 0c810b7a6bdb803b682ead7b71c67a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.365695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053060/publication.md
observed bc0c68767f175e82420ae5ddcb6739e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.344556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053060/publication.txt
observed 427456ae544723e2f35d888dbcb5bb0a...
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.