OpenTechnical

OT-2026-000027293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027293) never changes.

Identity and time

Publication numberOT-2026-000027293 · never reused
Internal UUID01a0ae72-6996-7a1e-ae2f-b22c1d7d9c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027293
StatusPUBLIC

Content hashes

Canonical text7c5eda7e31b5e70ce478963506ba2db5a1fa0d750e148465ca036b4c7e6a411c
Markdownbb84e7e6ccd6b63d0357c15fcf1749cca7b2f5fcf34532c05bd5871d723b26bb
PDF
Publication page99cdb6006bacab5a95d44604832fb24370b68cd885651cf6992b80b393356266
Manifestec2e6be2ee1f50fdec180a39634a6c59badfec5813c08c051be9033f90aee426

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
SignaturehaIAdVh3ZmFvJx/+tQqycEIR6zML1Ir+Rqna5h0zCMxqjftz/ta23XT4kpWK7L9uWIIj3FCt0XiC3k5VpnaUDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:40.916865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027293
observed 99cdb6006bacab5a95d44604832fb243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.900037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027293/manifest.json
observed ec2e6be2ee1f50fdec180a39634a6c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.885176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027293/publication.md
observed bb84e7e6ccd6b63d0357c15fcf1749cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.869989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027293/publication.txt
observed 7c5eda7e31b5e70ce478963506ba2db5...
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.