OpenTechnical

OT-2026-000047812

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047812) never changes.

Identity and time

Publication numberOT-2026-000047812 · never reused
Internal UUID01a0ae7f-c420-7619-9c0c-d8b67986d899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047812
StatusPUBLIC

Content hashes

Canonical text064073a7e64642c1f41b30b64673ac23ab7849c45348cfa33e265c3f7a4d88e6
Markdowne51ab16dbd3c699692c681427ae867383db0d392b860e7072df775e92834c2cf
PDF
Publication page70ca7e3b3e62442fa60ea6dba0ea5a2750bb9f7239b9171881d47c4fc52aba86
Manifest1cf2f6b17de2b5dc55094a3ec3d114bfe539b8331f7c44da93470a81b89fce78

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
SignatureSWB5tKQ/Km2a+nqi4/UF6ESBo4EvgN0fv+zPTPOfNPSsvSL1N8DkfD1OjL4alKBQCAHMO+GmKX3/NmU57Q71DQ==
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

2026-09-17T11:05:43.058114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047812
observed 70ca7e3b3e62442fa60ea6dba0ea5a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.038275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047812/manifest.json
observed 1cf2f6b17de2b5dc55094a3ec3d114bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.019334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047812/publication.md
observed e51ab16dbd3c699692c681427ae86738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.997684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047812/publication.txt
observed 064073a7e64642c1f41b30b64673ac23...
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.