OpenTechnical

OT-2026-000103568

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000103568) never changes.

Identity and time

Publication numberOT-2026-000103568 · never reused
Internal UUID01a0aea4-e461-7d42-b251-34f0a32028ff · 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-2026-000103568
StatusPUBLIC

Content hashes

Canonical text2cd3cd6eac96b823b3daa1a751986db128792aa9e36ec1a6bf4c0bae76b7fd9a
Markdownba5a278e3a76b6f8817fb04ea3e8f772969c853889d4c07982720f6a81a920b5
PDF
Publication page30b459d8a1828303bedf2da846e4ea00502410cd7125353d43c35c17d4e2bade
Manifest7b409e9f07e34690b08f1e2128e57d28a3235b5d5306ea54e37e21ee426948a7

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
Signature2Gc5rM98Sr10T7A8NFO3+Jq2O9j9gwlKhq8um52ZffaJ+0/1xLlZXS/yGnG+5c3DmMcWofKCNfX5/3oYFWbcAg==
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

2026-09-17T09:22:20.971210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103568
observed 30b459d8a1828303bedf2da846e4ea00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.952196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103568/manifest.json
observed 7b409e9f07e34690b08f1e2128e57d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.933861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103568/publication.md
observed ba5a278e3a76b6f8817fb04ea3e8f772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:20.916202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103568/publication.txt
observed 2cd3cd6eac96b823b3daa1a751986db1...
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.