OpenTechnical

OT-2026-000103240

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000103240) never changes.

Identity and time

Publication numberOT-2026-000103240 · never reused
Internal UUID01a0aea4-be3f-7a2d-8fc3-57622166186d · 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-2026-000103240
StatusPUBLIC

Content hashes

Canonical textc21f675af5cec478175521a13a01b8d385a9d0cbfb1b6d9ac547da69901b4f47
Markdown3a9955b63526d3e61dca5adb16eb4b07f27245d1559cedb16a8d6fd8e07b1ced
PDF
Publication page00c74ad16b68086b57445f059e7ae485f29f3fb98b0f0e29336e04aca280d3b9
Manifest68316c297229c80eaef9e0858216f652013d5025f842a463097f0bf5f2192723

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
SignaturebPG+Q6hpqqBWTxHn4btLG5czP7zpp3Vq1/OfgAcZHLKqk0zgEwGbLs2hjCSpCisHTdZoYKuElshnfzUHD9gSAw==
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

2026-09-17T09:23:28.473151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103240
observed 00c74ad16b68086b57445f059e7ae485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.456750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103240/manifest.json
observed 68316c297229c80eaef9e0858216f652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.439204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103240/publication.md
observed 3a9955b63526d3e61dca5adb16eb4b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.420223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103240/publication.txt
observed c21f675af5cec478175521a13a01b8d3...
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.