OpenTechnical

OT-2026-000027214

Publication integrity record

Foam pad vacuum gripper, 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-2026-000027214) never changes.

Identity and time

Publication numberOT-2026-000027214 · never reused
Internal UUID01a0ae72-3454-7be7-bcf9-1f9390454f82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027214
StatusPUBLIC

Content hashes

Canonical text90b3ff2ab82795d9c8fe78bea0dc9d700fc670dcdedab626120873b642ec575a
Markdown3e92b0030aef237e8055c0e7e506323f5359774e55dcd53c19856c6f38336235
PDF
Publication paged4595ed659f35dd0f5b13ae5eff843f512071d3f00198d88cf63aa785d39a9d6
Manifest1b9687f30270eeb213b167102625259800fec9143bada0626c9592285da7af31

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
Signatureqf9GjnHRjMUCHIOz7qJn77P/vKV8ApRVVCCMCGCByKhuyVAJOhOdF/RYh99db0DZ2tm+IePfI1oM7KjkwQtFCw==
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

2026-09-17T11:44:06.364345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027214
observed d4595ed659f35dd0f5b13ae5eff843f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.348438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027214/manifest.json
observed 1b9687f30270eeb213b1671026252598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.330352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027214/publication.md
observed 3e92b0030aef237e8055c0e7e506323f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.312618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027214/publication.txt
observed 90b3ff2ab82795d9c8fe78bea0dc9d70...
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.