OpenTechnical

OT-2026-000060840

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000060840) never changes.

Identity and time

Publication numberOT-2026-000060840 · never reused
Internal UUID01a0ae8a-b7d1-7600-9ea4-2b7981895145 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060840
StatusPUBLIC

Content hashes

Canonical text50d242a5afffc146e5f5378fc85c1adf7edcda191f10ae1b132aec4634e6371d
Markdown02d09bcc38bf355d54d19cedd974ea969aec363a221ddbda652bdc7faa64c5b9
PDF
Publication page71df15012f6db1d0707c65b6867780ff9392b7fa6dabc0fb876dd8d2d549b82b
Manifest5b4020a1f9c3c9ad8dda0ebbe7b8461c3e1f534d26739b1afbf72b662aee612e

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
SignatureLbwJum44+iYl3Z7tlpEGY/6RXZAZTxZnfb3gDcFU11MDiT2wT7f+V9RB3x26xaC7e5CW9qtBPqyglkEATpZUBA==
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

2026-09-17T10:43:35.711452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060840
observed 71df15012f6db1d0707c65b6867780ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.694734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060840/manifest.json
observed 5b4020a1f9c3c9ad8dda0ebbe7b8461c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.678406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060840/publication.md
observed 02d09bcc38bf355d54d19cedd974ea96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.659716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060840/publication.txt
observed 50d242a5afffc146e5f5378fc85c1adf...
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.