OpenTechnical

OT-2026-000061324

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000061324) never changes.

Identity and time

Publication numberOT-2026-000061324 · never reused
Internal UUID01a0ae8b-1384-7591-ba16-537f26300c99 · 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-2026-000061324
StatusPUBLIC

Content hashes

Canonical text5c540bcb4844ec4e2317217a3eb00c142146484d537927fedcac8d81fdfca9b7
Markdownd02749bb2b944668984ff0b71e595c92eb3bc6db97f9f3e9d4a0a05ee3749d9f
PDF
Publication page1e1a4075b4fa06fe63c312e67c766a9d45255c0128c0c8e72ef057a1f3d3e6f7
Manifesta6c18d437864482bfb6008c80ac86cbd59bce5c306295fcb2e364bd71b58abce

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
SignatureQLUp3JCFi1951X/Yk5se7pctyqYc7PjjD8Pf5I2WUeWgctz2YWUSreCfX5SHOilQKk4NcnHCIr0U+pJg25OOBQ==
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

2026-09-17T10:42:45.644482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061324
observed 1e1a4075b4fa06fe63c312e67c766a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.627384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061324/manifest.json
observed a6c18d437864482bfb6008c80ac86cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.610004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061324/publication.md
observed d02749bb2b944668984ff0b71e595c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.591436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061324/publication.txt
observed 5c540bcb4844ec4e2317217a3eb00c14...
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.