OpenTechnical

OT-2026-000054057

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054057) never changes.

Identity and time

Publication numberOT-2026-000054057 · never reused
Internal UUID01a0ae85-b3a7-714e-b6a3-f7b73fe684c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054057
StatusPUBLIC

Content hashes

Canonical textf3752050ca5347d56a9680377ec3364eec51bff2bdccfa9c41b8aabea7dc4eee
Markdownc6d2dbbbda4559afa534a6c2524b882e7a3491a2fa251a27d3a28a9d21a1c1eb
PDF
Publication page504fd5141d7daae7b0ce52312db864b51397453547d70477257dd7012b7854e0
Manifestab978f5d1cb89f58a9f333919d2f7d68eea801e3491ceda6e286c68f1e25c71b

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
SignatureuHNMQ7BcbRV1YJUL8WNI2XvLEph1Bcc46Uv4ZAZ0JC1vOz1RAbzvmE8vgT5XF7apxKEUdxZngelX0AGPUjVgDA==
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

2026-09-17T10:54:25.868365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054057
observed 504fd5141d7daae7b0ce52312db864b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.847644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054057/manifest.json
observed ab978f5d1cb89f58a9f333919d2f7d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.829986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054057/publication.md
observed c6d2dbbbda4559afa534a6c2524b882e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.810654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054057/publication.txt
observed f3752050ca5347d56a9680377ec3364e...
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.