OpenTechnical

OT-2026-000062017

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000062017) never changes.

Identity and time

Publication numberOT-2026-000062017 · never reused
Internal UUID01a0ae8b-b8af-7389-a22b-17288c04475a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062017
StatusPUBLIC

Content hashes

Canonical text29b300e0f32a038e646572b8fd649cdaa1bed5c10226ac93b33e9a2fd33494ba
Markdown8a44ed71fe03683e7996f3e27eab335732e7ec901caf9ce27b96e4aaa075be5b
PDF
Publication page870993e1bea360e289b7dcd1b3f5cccbf0554ecc2928caac0427e44686b6733a
Manifest0513f576e58696d5dca2a3ebb9ba930dbccc3f7b9fd9c2a45c8b48f19dd9fd06

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
Signature7WxSsPq2xwZZEmLSl511F209LYC1OT8jCVrqPtAHDdFE4Vo9RrwV/HEYg5ct1F575ZVHq3ixW27ByO3HoqmQAQ==
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...

Independent retrieval

2026-09-17T10:41:02.867332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062017
observed 870993e1bea360e289b7dcd1b3f5cccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.847650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062017/manifest.json
observed 0513f576e58696d5dca2a3ebb9ba930d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.826326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062017/publication.md
observed 8a44ed71fe03683e7996f3e27eab3357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.806537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062017/publication.txt
observed 29b300e0f32a038e646572b8fd649cda...
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.