OpenTechnical

OT-2026-000058219

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000058219) never changes.

Identity and time

Publication numberOT-2026-000058219 · never reused
Internal UUID01a0ae88-6edb-7e96-afe9-19cdcd572f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058219
StatusPUBLIC

Content hashes

Canonical text8678187ff20ffe14cd233843408039ca6493fe3f332028d0821de1dd0ce6b36e
Markdownb87c7512cecb46bb7f0c7396261345b2240d2c3ab7ae41b79598e6ec6b38a1f3
PDF
Publication page84a99a529d0d78287be96661efb3a413ae3f7186448f372aec5e49dbcbd9dffc
Manifest1b65eb54c67e87aa73aaed888f1f459b8d675a9a6f5531eeafbf85f3c9a0bef4

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
SignaturepaZxds4wPX+vU/FzRTfIeDIU6rJzweCtw7A/ryfaMEYsM7UkZZOgGo7YnBMMX3fqubXkfEQWrghRmpZ662zODQ==
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

2026-09-17T10:47:55.530643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058219
observed 84a99a529d0d78287be96661efb3a413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.510060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058219/manifest.json
observed 1b65eb54c67e87aa73aaed888f1f459b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.491424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058219/publication.md
observed b87c7512cecb46bb7f0c7396261345b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.473433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058219/publication.txt
observed 8678187ff20ffe14cd233843408039ca...
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.