OpenTechnical

OT-2026-000032458

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000032458) never changes.

Identity and time

Publication numberOT-2026-000032458 · never reused
Internal UUID01a0ae75-106f-731d-afd2-40a49904f572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032458
StatusPUBLIC

Content hashes

Canonical text099773cc09bcb5af887421e0e943ea2124e23f2207bbfa6e3c9bc51e516528a8
Markdowneff80bc13ecdafc47ac0ff650da333dfda0bb75117eca1f207166cd5c61cbbea
PDF
Publication pagefcecc685a69f57b4af6a71f50aafbd921066e8c56632721df8640b2b92faa86e
Manifest5d91f3e599e7681ba3507e5edb0ea33766b7f1c5a6b2196002fecfbc95b15da4

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
SignatureHMa+AaWv46t1WoTHWFTa/kh0IZlmnsetWlFz98fOURbX6ZzDX2F2uDq/7QVcTQRvN+m44zPC33BfoEC3fg1sCw==
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

2026-09-17T11:33:53.238451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032458
observed fcecc685a69f57b4af6a71f50aafbd92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.222017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032458/manifest.json
observed 5d91f3e599e7681ba3507e5edb0ea337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.205443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032458/publication.md
observed eff80bc13ecdafc47ac0ff650da333df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.188003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032458/publication.txt
observed 099773cc09bcb5af887421e0e943ea21...
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.