OpenTechnical

OT-2026-000087388

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000087388) never changes.

Identity and time

Publication numberOT-2026-000087388 · never reused
Internal UUID01a0ae9a-cd4f-714f-a517-bcdbee1477fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087388
StatusPUBLIC

Content hashes

Canonical text9f556e3d2ac674abb14d8c621bbf5ce693d0b770103cb88ab743f989b3e6f502
Markdown6c13ccdd2a3c3499232ef78b4ea4fedec9a81aea632601cb4886538fc5684c46
PDF
Publication page43a1929a9bfd1f5fc3143be41951f7e651fb414dd11c5001473044b2e57bb831
Manifestc55fd51b0f6f97503158993eabae1f7a0684648614c5a1034eecc390ec829c7f

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
SignaturehI91l4DT6ENMONL6s2bNWA0KV8MmOXqwSMbYV1RNlOGbPqgM+mG1K7t4IsTvqBAtCkkluzRBfxuopOo2QKfoDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:41.815014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087388
observed 43a1929a9bfd1f5fc3143be41951f7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.795878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087388/manifest.json
observed c55fd51b0f6f97503158993eabae1f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.775607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087388/publication.md
observed 6c13ccdd2a3c3499232ef78b4ea4fede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.750585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087388/publication.txt
observed 9f556e3d2ac674abb14d8c621bbf5ce6...
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.