OpenTechnical

OT-2026-000059937

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000059937) never changes.

Identity and time

Publication numberOT-2026-000059937 · never reused
Internal UUID01a0ae89-ec26-7ee6-b20c-a9649e20483d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059937
StatusPUBLIC

Content hashes

Canonical text5367caa989b466b8546d65ca386e7d3a41702dd021b2b7dcd32f8b00f2723f56
Markdowna8ede616a133d0985b1901e11a0b9bcc3c25d1bfe51d4256a23b53a02009144b
PDF
Publication page1c6c88b67056be7585dd84dad6071005a6590c520eecc8ee4bbc01f1084a1de8
Manifest06ed806ebed2c61991431d6d55411a3258617240c6580747cc3d70411c9846d1

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
Signature6DSXq/oU2qjRLYj5CujPx/b4onAe+lTAHaHuvX5Rsl2uYe08R7mjFCPWBsmVB536pUfB0dyvwf5BFqvCJ7+vDQ==
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

2026-09-17T10:44:42.721128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059937
observed 1c6c88b67056be7585dd84dad6071005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.703133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059937/manifest.json
observed 06ed806ebed2c61991431d6d55411a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.683157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059937/publication.md
observed a8ede616a133d0985b1901e11a0b9bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:42.665471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059937/publication.txt
observed 5367caa989b466b8546d65ca386e7d3a...
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.