OpenTechnical

OT-2026-000038700

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000038700) never changes.

Identity and time

Publication numberOT-2026-000038700 · never reused
Internal UUID01a0ae78-769e-7b14-88dd-519004dbeb4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038700
StatusPUBLIC

Content hashes

Canonical text7fcc8093f9d9654892697cd1b23f216d09d190bf3e70413d92c67e33016e36d9
Markdown00dfee8eb52a9b3287d7be004ad8c313c0869531a8c7445548464fc84fbdaa5f
PDF
Publication page3c5b3ee57e3fddf195f027fda4e5f747f283a6fa201bf268e732c9d35be2dd1c
Manifestf20f9afaa37f3164fd55a295c5ec5df48fa91cb340abe19ee692612652cbd692

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
SignaturelDBlLp1EEZWsXWivgHIInBPFi5onDYu/nyoaHds/9J9BtK/epdupXVFGPYUlLxBSHVT6SI/8UaXYQ8b+kAnPAQ==
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

2026-09-17T11:21:13.271424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038700
observed 3c5b3ee57e3fddf195f027fda4e5f747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.253226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038700/manifest.json
observed f20f9afaa37f3164fd55a295c5ec5df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.234764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038700/publication.md
observed 00dfee8eb52a9b3287d7be004ad8c313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.214779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038700/publication.txt
observed 7fcc8093f9d9654892697cd1b23f216d...
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.