OpenTechnical

OT-2026-000031952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000031952) never changes.

Identity and time

Publication numberOT-2026-000031952 · never reused
Internal UUID01a0ae74-bad2-7c77-8849-c42ea4b06812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031952
StatusPUBLIC

Content hashes

Canonical text860496cf22ea6b3dffd9012fa37d19208f2e9da76a95de992487728adc56fded
Markdown6b472b107c11df9321862c95d06bf8e5424c3933decef3ff42f0ccd7b5e02a4b
PDF
Publication page24c5e17ec9f59d675913cdc7f1015e20f7d07ed565ab35dd8e8b97caebba8ab7
Manifest825f9a8679cee4bb69d5f1403fe4f73c674d7491c0fcb2d92ec70879a79c35f3

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
SignatureU1q8xsSczJX57+wGBxd7whj8CCMHUNNxJblfZuAXftvMtuVTfuW7Xt7CHYITdWdSHTYta/8F3afr+/iAylEbAA==
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

2026-09-17T11:35:14.311168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031952
observed 24c5e17ec9f59d675913cdc7f1015e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.286528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031952/manifest.json
observed 825f9a8679cee4bb69d5f1403fe4f73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.266332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031952/publication.md
observed 6b472b107c11df9321862c95d06bf8e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:14.249262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031952/publication.txt
observed 860496cf22ea6b3dffd9012fa37d1920...
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.