OpenTechnical

OT-2026-000044924

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000044924) never changes.

Identity and time

Publication numberOT-2026-000044924 · never reused
Internal UUID01a0ae7c-911c-7e7e-a009-3449fc4317e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044924
StatusPUBLIC

Content hashes

Canonical text4d529f33712306f9e9c77db90fdd6d12c00599ff01cb59fdf152e6ec99aaa6c9
Markdownbbcca7540eadb4dc73d819ef4b2bb4f200be8d0bbf63b1d425f9370a9d347ef0
PDF
Publication pagefb094257b43e88219629f9d3027c515a73e67b0c433523ca48fb2be2bb6f15d4
Manifest4aa39dad6eba793e4c69f38ba926f7f46d4e41ad21165ca33d59aa7a962b4255

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
SignaturelD0/VhOouUm1T836oPv1uzQz08x3kYYNV1SWgIOEMmMNDFrrri/0RHZpGprVM/1aS03EYkddidmynFWfM1X8AA==
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

2026-09-17T11:11:35.830495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044924
observed fb094257b43e88219629f9d3027c515a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.813770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044924/manifest.json
observed 4aa39dad6eba793e4c69f38ba926f7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.796448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044924/publication.md
observed bbcca7540eadb4dc73d819ef4b2bb4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.778162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044924/publication.txt
observed 4d529f33712306f9e9c77db90fdd6d12...
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.