OpenTechnical

OT-2026-000103051

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000103051) never changes.

Identity and time

Publication numberOT-2026-000103051 · never reused
Internal UUID01a0aea4-be3d-7c6a-a203-a9dc0b40f44d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103051
StatusPUBLIC

Content hashes

Canonical text2b4173c9174f890620b53e0afdfe2df3f42ccdb6ae8271faa837697e756fbf11
Markdownac01c6cc69ec183a2024655ea719386cf76f0e05ebfc427280ccbfb81e61ac7f
PDF
Publication pagecb00bd776d91a5342591f12f7aa09a25ba9f8fcd9fbed977f0ae9c50347201e0
Manifest22b842e66e47ab8c56ab27e82d4edf62c9afec713e369d74b8b20fbcaf09bca0

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
SignatureugAjkA/9Hxef69XgurvEFDJwUFDz/5zOmSmeYnT0/PiTzEtdfZQ7B4ioDtkkqHA3VcW5YEU92w1qP5x113EeAA==
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

2026-09-17T09:23:10.625704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103051
observed cb00bd776d91a5342591f12f7aa09a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.607399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103051/manifest.json
observed 22b842e66e47ab8c56ab27e82d4edf62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.590302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103051/publication.md
observed ac01c6cc69ec183a2024655ea719386c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.572630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103051/publication.txt
observed 2b4173c9174f890620b53e0afdfe2df3...
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.