OpenTechnical

OT-2026-000021793

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000021793) never changes.

Identity and time

Publication numberOT-2026-000021793 · never reused
Internal UUID01a0ae6f-bb5a-729b-9aa2-d4129af9850d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021793
StatusPUBLIC

Content hashes

Canonical text15e6954a6a4190d6c98295f6471ce08b471d0c9ad5807b2f689a604068903265
Markdowndd8185164ecdea5d04bbe1b079a15b26c00225641fcf8357e70d775a0de1b4df
PDF
Publication page7b6e74a64e8c8f06945fc07a7c9aa6e5684018563d42f90de1ef5b21753d6db2
Manifest4f158b404c56830fabd03f84fa51044a59b3710768df838f92426dfa08abccd3

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
Signature+MFDvKy58AXOihb3Higokg/ubWeJJXUN7HacKaiXcC4wZiy/LxVEfyxEolT6uyC2J0oJak9udmmuCg2ptWdQDQ==
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

2026-09-17T11:54:20.698825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021793
observed 7b6e74a64e8c8f06945fc07a7c9aa6e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:20.681348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021793/manifest.json
observed 4f158b404c56830fabd03f84fa51044a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:20.663748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021793/publication.md
observed dd8185164ecdea5d04bbe1b079a15b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:20.642166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021793/publication.txt
observed 15e6954a6a4190d6c98295f6471ce08b...
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.