OpenTechnical

OT-2026-000088547

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000088547) never changes.

Identity and time

Publication numberOT-2026-000088547 · never reused
Internal UUID01a0ae9b-8f0e-719c-9b66-21b199704a3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088547
StatusPUBLIC

Content hashes

Canonical textf5470cc9e6e99dce34efb4252ec1559156972cc87eefa5b019b75480911e8508
Markdown3fb499173c8e93d3b52155cff5e72e8fbe9d2a5213e931f030304df62dd766f5
PDF
Publication page1afe25284021209b54435c0c4ae63eebe51423651af08b77f5708b6b68846de3
Manifest2af3e08c049516cb24c6d3ba6b521be18db9c419a70761fa36272d2fc60f43e0

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
SignaturemaHQeHbXoIxm6NCERUeZ3lykqwGDWpq80pLEFqmIzltNwULMkYhRIAeX4OChjxSm50O2R2sO4odS+35nfLMmCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:43.069649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088547
observed 1afe25284021209b54435c0c4ae63eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.052181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088547/manifest.json
observed 2af3e08c049516cb24c6d3ba6b521be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.033636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088547/publication.md
observed 3fb499173c8e93d3b52155cff5e72e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.000381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088547/publication.txt
observed f5470cc9e6e99dce34efb4252ec15591...
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.