OpenTechnical

OT-2026-000103988

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off 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-2026-000103988) never changes.

Identity and time

Publication numberOT-2026-000103988 · never reused
Internal UUID01a0aea5-15e8-72ab-b0b3-4ae9315eac3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103988
StatusPUBLIC

Content hashes

Canonical text7a20481456a3197b287c59030624d78ca7d35303e9a0cf3dfbf360549d9cbb23
Markdown706bf2b350a8b144220c97673b611d0c8dada99817574c8a82010d61a32e00cb
PDF
Publication pagee47b7c4b76c4152d8adeba331d539e698502da7365ef516084bf055a67fc4f89
Manifestd34a926be548df178f8d815539aa81f190109c0c4fdb7668029ea06f83f2af27

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
SignatureHcZs1TB3JBsV68YpzqH8bMZ7N9ol3vTH8fz/QvN1vTwkzU8kqo9lJS8gqxA3qtZv64/yyPBhdH3xZMRrBIWLBA==
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

2026-09-17T09:21:59.638932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103988
observed e47b7c4b76c4152d8adeba331d539e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.621053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103988/manifest.json
observed d34a926be548df178f8d815539aa81f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.603748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103988/publication.md
observed 706bf2b350a8b144220c97673b611d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:59.585460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103988/publication.txt
observed 7a20481456a3197b287c59030624d78c...
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.