OpenTechnical

OT-2026-000039453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000039453) never changes.

Identity and time

Publication numberOT-2026-000039453 · never reused
Internal UUID01a0ae78-9675-7838-9fda-87dea8607fc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039453
StatusPUBLIC

Content hashes

Canonical text74ad13228764a206cd4df381d25b4c135121761f2fafa2e491c5e54932337317
Markdown976227e7cbbf75a20f265b159e50aadedebbcbf46983e7601a4c2219360d96b8
PDF
Publication page1dcfb0257a6bc954c6b1a382e21b2818ff4f180b7fa866c87f0d4f698f231a42
Manifest97160ff63dee357f6187918490035728915fc39e2815a649b5e9f81e5b92838a

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
SignaturejebzvFii4yooKsTlCSUypirqAnWqekdnFMtXXaBlU1gvFKdaSB+YIv+veav5m+FtVx4uRFZSzOwxcTrFrLfsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:44:01.987868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039453
observed 1dcfb0257a6bc954c6b1a382e21b2818...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:01.735999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039453/manifest.json
observed 97160ff63dee357f6187918490035728...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:01.506798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039453/publication.md
observed 976227e7cbbf75a20f265b159e50aade...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:01.239667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039453/publication.txt
observed 74ad13228764a206cd4df381d25b4c13...
fetched by grabo-systems from 34.44.131.203, 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.