OpenTechnical

OT-2026-000025593

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025593) never changes.

Identity and time

Publication numberOT-2026-000025593 · never reused
Internal UUID01a0ae71-5fa8-74f2-99c3-5d519498ee3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025593
StatusPUBLIC

Content hashes

Canonical text9796c5750ad49b3b2b1160dd4bc14e637364dad5652a351382057a0d989066ff
Markdown2e2a47054b55686b3f233b7bc9e85b8cb37b00b21cd329f2d5de2dd61b856e2b
PDF
Publication page3c4232b6136ae7488c1e33cfd0a822a26327a62edcc9c54ccfaee871b9801d2e
Manifest57a6971fe69e09608a680dd1ae3801256b94e0a55df6c5320345ff060cca0eba

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
SignatureoyCKRHMRMRvsvEGkLoeUU6AKFoHDjTj/O6XBInvsRQH1oq5lR031QHppdFoAKYfvAKYa11Ig0t1KqOCaUX+GCA==
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

2026-09-17T11:47:45.598836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025593
observed 3c4232b6136ae7488c1e33cfd0a822a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.577884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025593/manifest.json
observed 57a6971fe69e09608a680dd1ae380125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.556024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025593/publication.md
observed 2e2a47054b55686b3f233b7bc9e85b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:45.535812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025593/publication.txt
observed 9796c5750ad49b3b2b1160dd4bc14e63...
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.