OpenTechnical

OT-2026-000017243

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000017243) never changes.

Identity and time

Publication numberOT-2026-000017243 · never reused
Internal UUID01a0ae6e-76c8-7a49-b577-1b04ec13c6e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017243
StatusPUBLIC

Content hashes

Canonical text421a846512e9abee0866e39902f0f57a36ed81125f2806d29c7ab4130f4dbf22
Markdownc715c7f929db296da338b3d3117e4d4ca65f479acf35cd00baf136943be86673
PDF
Publication page207925c4814feaa1d333f1e1ed34590f2fea3451ffbf1bf69c9acf01b9ed29e3
Manifest4b7cb7e457b81cc989dde6b858ea8d199e3e8ddea9fc63ff69e88511a75ad111

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
SignatureAAwW2B2XuFOb/8tInDVBrB/RmcxLr5sMRGhKpvj41ya+lfzOUfLg9HrPrIyjfJ/ozoDw54GGpz4XdBwc5wlPCA==
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

2026-09-17T12:02:19.606253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017243
observed 207925c4814feaa1d333f1e1ed34590f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.589000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017243/manifest.json
observed 4b7cb7e457b81cc989dde6b858ea8d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.570773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017243/publication.md
observed c715c7f929db296da338b3d3117e4d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.554141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017243/publication.txt
observed 421a846512e9abee0866e39902f0f57a...
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.