OpenTechnical

OT-2026-000061031

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000061031) never changes.

Identity and time

Publication numberOT-2026-000061031 · never reused
Internal UUID01a0ae8b-12f9-73e7-81b0-2f29c321afea · 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-2026-000061031
StatusPUBLIC

Content hashes

Canonical textb711d33a2734ffdb08472fc33dc0c447faacd1ab730a12fcf6f2eb1dde1a8c0d
Markdown887a66d73675ff83c36c8f33196e618fa707f5050949826f90bd0e3bbee4c453
PDF
Publication page7c378d81c79238fab2771ab1a1bfb344d5a0b39467fb0f8aa72de92cfc52d870
Manifestf601eeddb8f90bf46b38c42962760d6d1b22769bdaf25d594d3fd6d2e3291f75

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
SignatureW69owdQCdyASQw6ah8ozyxezaYiy3sRV5UNBd7JJl31f6Qgs9cKljhm4AvDqCdEj8kMqfv+AlEw5uiB36fiHCw==
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

2026-09-17T10:42:22.802029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061031
observed 7c378d81c79238fab2771ab1a1bfb344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.783914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061031/manifest.json
observed f601eeddb8f90bf46b38c42962760d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.765140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061031/publication.md
observed 887a66d73675ff83c36c8f33196e618f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.746702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061031/publication.txt
observed b711d33a2734ffdb08472fc33dc0c447...
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.