OpenTechnical

OT-2026-000034053

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000034053) never changes.

Identity and time

Publication numberOT-2026-000034053 · never reused
Internal UUID01a0ae75-df0c-7919-897c-fbc3c417972b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034053
StatusPUBLIC

Content hashes

Canonical textf02a10671af372a90444b1ee05b91cb47b92aaa9117fe5a10c1d4d033088d9d9
Markdown69312ea9448bc1b54a51518d1c476f58b4db1eafa48f2ea2980d0020b21ae03f
PDF
Publication page661cd7e59cbb1d8be5de5dd832fe5e371cf8a725b763ceec52588ce3883442c2
Manifest5407aeed13400823670453eb5c170f1aaba5c59c064ee71e7718aba73520e325

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
Signature1zv6BGLmGNlw39FjGmyL/VkPMGWVQ9VxsrzsrHVWRk82zGO0+5X0v8+n7E48Igo6/geT68MMq4vGwzHW3egKCQ==
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

2026-09-17T11:30:17.581474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034053
observed 661cd7e59cbb1d8be5de5dd832fe5e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.561375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034053/manifest.json
observed 5407aeed13400823670453eb5c170f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.538838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034053/publication.md
observed 69312ea9448bc1b54a51518d1c476f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.515931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034053/publication.txt
observed f02a10671af372a90444b1ee05b91cb4...
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.