OpenTechnical

OT-2026-000104179

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000104179) never changes.

Identity and time

Publication numberOT-2026-000104179 · never reused
Internal UUID01a0aea5-341f-79f7-8c58-aca5c06a0b0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104179
StatusPUBLIC

Content hashes

Canonical text375bd22d9a8ee84609ecefe4c8295f2f99a7904205bac7b0d8e8f8ab8e6d2645
Markdown96c1cf98c0cc7aa06586df36ee2bf3cf5b5adb92b989056121753a7553c6b619
PDF
Publication page7905ce967eff832367e0b3802a2308e643e2123bf45bde2c2f27f7ae585bd4a9
Manifestb0c82174c96a3b46b7e753e042bcf6cc44b49b56146d69b80032cc4c3f824d3f

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
SignatureBUiKawYb3ky5zmTK7rf1k2liIIorC7YjnmZMr49LpEr2noR0flTsrfLJSRVrs58/tnk/WtSR2jO7/Jg1dfEcCw==
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

2026-09-17T09:20:16.397117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104179
observed 7905ce967eff832367e0b3802a2308e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.380530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104179/manifest.json
observed b0c82174c96a3b46b7e753e042bcf6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.362570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104179/publication.md
observed 96c1cf98c0cc7aa06586df36ee2bf3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:16.345214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104179/publication.txt
observed 375bd22d9a8ee84609ecefe4c8295f2f...
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.