OpenTechnical

OT-2026-000070741

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000070741) never changes.

Identity and time

Publication numberOT-2026-000070741 · never reused
Internal UUID01a0ae91-8c2c-78ab-b851-2a1d3d054e02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070741
StatusPUBLIC

Content hashes

Canonical textc6d360b7101df0e2b0a58691e4ca4994c8c5642c2bdc75245587d585c943de85
Markdown7cd5296812aa4883e6956febb5fa12d5ce4d62089f704a05e8fac5be2fcee588
PDF
Publication pagecb11a0b97c8939e632de77cc3d1ec5ab1abddf5f2b272836d9b9e6ca98196118
Manifest5938fe7692658afffac94dc4c8daff98429319c47de88141ad086a7b1bc7dcf7

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
Signature8D3V+tvdAiLbh/c/+KBfe0BtLP9FStD3SD11ZQk1gwoT/qFnwxCjBh9Ygh5bjjZVrqF6tadMkNUrEnEBb8lSBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:26.142555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070741
observed cb11a0b97c8939e632de77cc3d1ec5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.125750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070741/manifest.json
observed 5938fe7692658afffac94dc4c8daff98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.109029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070741/publication.md
observed 7cd5296812aa4883e6956febb5fa12d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.090628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070741/publication.txt
observed c6d360b7101df0e2b0a58691e4ca4994...
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.