OpenTechnical

OT-2026-000036328

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000036328) never changes.

Identity and time

Publication numberOT-2026-000036328 · never reused
Internal UUID01a0ae77-01d0-7177-8475-354a9c702741 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036328
StatusPUBLIC

Content hashes

Canonical textb8311a37a7bef304e0ce204f6fe099e4db63397becf031fcc1c7f9f3dfdf5c08
Markdownf2f3bfaea2159e6e3173d9da761418bbd7d91fd4a442afc2ab8aeb33c9affcc7
PDF
Publication page8a34abb0bc390447e7d42cf58491be3a2257d7ffdcac4aaf467d2b8f0cb7c727
Manifest0174dc8975914e92642bbd112a7743c825dff6fa04590ddf1bcc1d3236e2a23d

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
Signature1ZQ3kLeFtDBSh+CjWtaGqQYPl96uAeLXRXri4zBd1KqzXmSbthlEJfC3GUqkNGxkhhkIoBXDXYakclpg/fnBDA==
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

2026-09-17T08:42:25.482545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036328
observed 8a34abb0bc390447e7d42cf58491be3a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:25.237331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036328/manifest.json
observed 0174dc8975914e92642bbd112a7743c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:25.033679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036328/publication.md
observed f2f3bfaea2159e6e3173d9da761418bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:24.744436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036328/publication.txt
observed b8311a37a7bef304e0ce204f6fe099e4...
fetched by grabo-systems from 34.44.131.203, 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.