OpenTechnical

OT-2026-000018036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000018036) never changes.

Identity and time

Publication numberOT-2026-000018036 · never reused
Internal UUID01a0ae6e-96fc-78ba-a008-7af64e947567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018036
StatusPUBLIC

Content hashes

Canonical text8d3e4038960c5b2fcfc672df37210e9a51cef0c5b67a65732b29ac9ae364790f
Markdownc451f0374b56910aefbff657aaa9efef66fea9b0b03ba0c8845e8ef9fa2edf5c
PDF
Publication page3906f9af823c2ee43126873a5b1a14312c49e56b5f4bb6742097792cba1b25ba
Manifest7f402c4bf522e7d5923af343542f8e061b16eab8a145bd7e0866f1019457ddf0

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
Signature69tympqqiPN/wA/h7+6sRkxRwlZwSClhcmI/U/3Q6my1lf/Tj+e/OLJK3pSCTIvkSCIPnqNvkwXQOx18Vi7zAw==
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

2026-09-17T12:02:04.214426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018036
observed 3906f9af823c2ee43126873a5b1a1431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.195759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018036/manifest.json
observed 7f402c4bf522e7d5923af343542f8e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.177231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018036/publication.md
observed c451f0374b56910aefbff657aaa9efef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.144701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018036/publication.txt
observed 8d3e4038960c5b2fcfc672df37210e9a...
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.