OpenTechnical

OT-2026-000061938

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000061938) never changes.

Identity and time

Publication numberOT-2026-000061938 · never reused
Internal UUID01a0ae8b-b8ad-7e73-826a-012f311497eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061938
StatusPUBLIC

Content hashes

Canonical text94ba1769d05fcf524507f20b651fad84b23b804059dfe3ff16c3bb8a390c02d5
Markdownb693d4fdd6e83076c939d0aa73e0ff71df0a8b64536a651adf6a1461c0a06e28
PDF
Publication page05668cd085077fc3dab587b123af12e6b14134c975bf199096313ebffa3c724b
Manifest6ebcba0ab159f79ef8f146a0859233e90c5bf375ce150226cc0db16d54da7c09

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
SignatureFu0l2p+gsIctYr912PizUZcj7PNFfz11Jbf7R1mqwZIFJic1u/PbesotDDoMjotJEEzDJcphTRkFuA+2NndtBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:49.912629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061938
observed 05668cd085077fc3dab587b123af12e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.891788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061938/manifest.json
observed 6ebcba0ab159f79ef8f146a0859233e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.871450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061938/publication.md
observed b693d4fdd6e83076c939d0aa73e0ff71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.848654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061938/publication.txt
observed 94ba1769d05fcf524507f20b651fad84...
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.