OpenTechnical

OT-2026-000024039

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000024039) never changes.

Identity and time

Publication numberOT-2026-000024039 · never reused
Internal UUID01a0ae70-aed7-735c-92f4-138129dab588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024039
StatusPUBLIC

Content hashes

Canonical textfececd11bed952a73d2474fa1b142de80be304a4ff8343e8e32286166bda1ac7
Markdown79b7a842db3558d9f8e87e0026db9f6433939f53c6763ef9ff3471db8eab5e27
PDF
Publication page70f039e9c347b3836494c8e8511b9afa33144178150b773bf4669558c0c207d3
Manifestd875177e0e4c64b239fb89cde82cd033a07099153c813b42b7cdac0e2fb94f65

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
Signaturew/3Wfu4yBfJvu8KnE1fX77a6SNk3UOI7Uqurf94DZiURPrKc8+eq1D6+pdhUt/NzaAmshvvBSveIeOA2NBZSBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:49.645761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024039
observed 70f039e9c347b3836494c8e8511b9afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.628009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024039/manifest.json
observed d875177e0e4c64b239fb89cde82cd033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.609220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024039/publication.md
observed 79b7a842db3558d9f8e87e0026db9f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:49.586684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024039/publication.txt
observed fececd11bed952a73d2474fa1b142de8...
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.