OpenTechnical

OT-2026-000034356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000034356) never changes.

Identity and time

Publication numberOT-2026-000034356 · never reused
Internal UUID01a0ae75-df0e-7418-8e00-253f084bfd83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034356
StatusPUBLIC

Content hashes

Canonical textef0de207f3f437548de7c5bc1b374216a5578526046dba8dfd6590fc9d06077c
Markdowna960436805b21c7067b80dc38a4e1aa940bd39965ce4cd918c9c3c51c5fe6934
PDF
Publication page3c81e55f3260381669a47dd8eae8254b262aa153abf92fa7d63556382bcec202
Manifestab3d596a20195cbe6d81c7433ecb5ca76b5211fa819e5e9a04040b831c75069d

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
Signature/XbN+VI0wKD2YPqe+lhFqwYgLZRxGN+qhT6g1uosRiGfMN80iXeolfpNjldEB+BBYI1NqflJ8eabMUYSnyH9AQ==
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

2026-09-17T11:31:03.583438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034356
observed 3c81e55f3260381669a47dd8eae8254b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.564702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034356/manifest.json
observed ab3d596a20195cbe6d81c7433ecb5ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.546924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034356/publication.md
observed a960436805b21c7067b80dc38a4e1aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:03.527321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034356/publication.txt
observed ef0de207f3f437548de7c5bc1b374216...
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.