OpenTechnical

OT-2026-000100043

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100043) never changes.

Identity and time

Publication numberOT-2026-000100043 · never reused
Internal UUID01a0aea3-1474-7cb4-b8ea-0e509ab9c85c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100043
StatusPUBLIC

Content hashes

Canonical textaec8b3eabe3fccded05cab4d42a4c6f401e0491bb8484fbd02fe11f1e31ef57d
Markdownd9d5e44b6af1fc7144cd14275718ca512130ba4b6e4f27b9477d588052167964
PDF
Publication paged75c8401f56d866ae6603ec6a3b5af75936803a714243fa1ec93543a0b56fbc5
Manifest3f9cd7fe8a0b4e5aa458713fcc0054371e7b9728b40b245f84f235a6117dc95c

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
SignatureJmiBvfxcB9xiCFPC8kckpaGLCoDuP30EWd2uO+PggsNz3oLnYHJNBTZkX7+ktLX69A6/XBl/qDFhancqdxG0BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:58.920836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100043
observed d75c8401f56d866ae6603ec6a3b5af75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.903425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100043/manifest.json
observed 3f9cd7fe8a0b4e5aa458713fcc005437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.888347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100043/publication.md
observed d9d5e44b6af1fc7144cd14275718ca51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.871003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100043/publication.txt
observed aec8b3eabe3fccded05cab4d42a4c6f4...
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.