OpenTechnical

OT-2026-000042414

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000042414) never changes.

Identity and time

Publication numberOT-2026-000042414 · never reused
Internal UUID01a0ae7a-5d75-700a-9541-51e135b97404 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042414
StatusPUBLIC

Content hashes

Canonical texteea98761644562a52b3f1254ec4734dbb6b6f8170f0d8a9f6fc8fee9e267441a
Markdownd2c8a118b0d664172fc0cc38fd9a11a635206f3b30152efb6ef3fd6737d109e1
PDF
Publication page512474e7d64ebe85ab04b26c7384b088fea37b631ace67b7626e8df282ec5c6e
Manifest7145e88edd80e1b0730d282872ab4a37875a99182363f4c159ae983de66b7a1b

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
SignatureGLNTuCyWePEOMLPru5nbaA0g1LnjHWW5GxEjWigyouVPLUahRAnOJGBCurtK6+Yv5EsA6voDV5pjHCEllMURCQ==
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

2026-09-17T11:16:12.717763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042414
observed 512474e7d64ebe85ab04b26c7384b088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.699941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042414/manifest.json
observed 7145e88edd80e1b0730d282872ab4a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.682874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042414/publication.md
observed d2c8a118b0d664172fc0cc38fd9a11a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:12.667498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042414/publication.txt
observed eea98761644562a52b3f1254ec4734db...
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.