OpenTechnical

OT-2026-000043445

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000043445) never changes.

Identity and time

Publication numberOT-2026-000043445 · never reused
Internal UUID01a0ae7b-327f-78bf-bc48-ce3be0e86b5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043445
StatusPUBLIC

Content hashes

Canonical textba91ccd4245b40a5ba0a265bbbf2681ef82cdd1aa7eed25a2b65c74ee1c4883b
Markdown7a8e5d2f0c80738438fe2f74f8767b9ee56e5c93106cabe3822c88a2118f5323
PDF
Publication pagef2100325894906cf2c48d1d0ea090b75da64a4b1a240471ce195e9c676dfc234
Manifestf09b2e62e3f36ee78d02a662a24bd64b4cbad7022adb547b17ec5d5cdee0add3

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
SignatureY5QR5I16/SBhhRcTeLUn1wGO9ljKml4elRQ/rbCax3Hih74E3oOIF1tEKju3LBMKsmtuLi6rz+35EKmhRduaBw==
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

2026-09-17T11:13:59.707633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043445
observed f2100325894906cf2c48d1d0ea090b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.688662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043445/manifest.json
observed f09b2e62e3f36ee78d02a662a24bd64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.670979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043445/publication.md
observed 7a8e5d2f0c80738438fe2f74f8767b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.651533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043445/publication.txt
observed ba91ccd4245b40a5ba0a265bbbf2681e...
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.