OpenTechnical

OT-2026-000056912

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000056912) never changes.

Identity and time

Publication numberOT-2026-000056912 · never reused
Internal UUID01a0ae87-7af9-7c74-8517-73fb75d60988 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056912
StatusPUBLIC

Content hashes

Canonical text5d4fde47ab91e00404e3c571468170978bc7f575fa14ceecee59431b67631985
Markdown8dc946ab2ad8382fbf13260df5c0c822ba6cd8e7c4f25b787803109f9f8a0f49
PDF
Publication page4d69cdceef1db185479cc8aa419d58184031aa66bd90f7bcbca57f547b9bdfdb
Manifest089817f76032f33077817ce834ca1099240ef9f121c7ac4d46b19f905a893d70

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
SignaturetxbCLTmzW36tfh2Bev0bXXm1C0r1ohQvQIBP2c8DNb8qyQv+H1LYfLb+ILwcelIQ+5A152x7OAN/Z5rwqtpWBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:26.884189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056912
observed 4d69cdceef1db185479cc8aa419d5818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.865842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056912/manifest.json
observed 089817f76032f33077817ce834ca1099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.847899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056912/publication.md
observed 8dc946ab2ad8382fbf13260df5c0c822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:26.829330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056912/publication.txt
observed 5d4fde47ab91e00404e3c57146817097...
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.