OpenTechnical

OT-2026-000103612

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000103612) never changes.

Identity and time

Publication numberOT-2026-000103612 · never reused
Internal UUID01a0aea4-e461-7e8e-a698-0a51da93ae5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103612
StatusPUBLIC

Content hashes

Canonical text23aab11a981f848428d0a3fa339136a93631519e5a90b0a89f95bcb8e671d1d1
Markdown91e9cef606f2c4126a5b34612cdfebf6e9dcc719d8a0636eaba491fb0c67b466
PDF
Publication pagef3118eb11d2476909ca2d240c7560346f47c7a02469cf0d318474e7011167d23
Manifeste16e2db54e87391fb151d1381fae69d30f50bd71f68c17bd3508a6cd51083804

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
Signaturegoz4XaR7UcqNQ4YRlNwvY1fPURRZ/mdh2uK029JCAtRYDUb7If+DsqWN+9r91s60SNOc3/tIfOBMmxdTtS2zAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:24.205851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103612
observed f3118eb11d2476909ca2d240c7560346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.187073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103612/manifest.json
observed e16e2db54e87391fb151d1381fae69d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.168790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103612/publication.md
observed 91e9cef606f2c4126a5b34612cdfebf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.151923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103612/publication.txt
observed 23aab11a981f848428d0a3fa339136a9...
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.