OpenTechnical

OT-2026-000055145

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000055145) never changes.

Identity and time

Publication numberOT-2026-000055145 · never reused
Internal UUID01a0ae86-5e82-7e58-8ecf-5e2de2129517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055145
StatusPUBLIC

Content hashes

Canonical texta19dc02eccce1020fbdd734409061b09fe96ffcd0a7b6c068db1ec8e2b5ddb1c
Markdown474c33b4eedc9c5420b5b915f183ec0f3ded05bf8ecf6b47018f65da303d852c
PDF
Publication page6c8b3ec213016d0d262e8cbc78ab9e1d2cba0e05adfcca426e52b2bf594e926b
Manifest7447adb50b147e046837013408503e17a432af28bab0d06d3de114aac5334b70

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
SignatureCE7AW5woX/gH1J9DW6A88yZ4ycpTBwAnfn7f0Gq+7V9tNpUBGFQD0FZoMQT4VkETC+Nj5NnpjiZUBcUpknKnDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:19.393307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055145
observed 6c8b3ec213016d0d262e8cbc78ab9e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.375354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055145/manifest.json
observed 7447adb50b147e046837013408503e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.356260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055145/publication.md
observed 474c33b4eedc9c5420b5b915f183ec0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.336742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055145/publication.txt
observed a19dc02eccce1020fbdd734409061b09...
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.