OpenTechnical

OT-2026-000014529

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000014529) never changes.

Identity and time

Publication numberOT-2026-000014529 · never reused
Internal UUID01a0ae6d-b27b-7379-b559-48ff9b814b30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014529
StatusPUBLIC

Content hashes

Canonical textb0f46c1581f0b9868e5c1e6477651195b0c1f9324461138e9a127ffb9d540060
Markdowncedb51b9a50c17f1ed28f81af262935aa37d857d32a449a986cf7c62192c5a43
PDF
Publication pagedd98ea4e0baccbafac2c5282dbea321402c7a480c467ac7d7b62c1107572c317
Manifest3b91276b31284b22275603680506aaeebf1ca5abae9e3148bcbcde5af5878dfb

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
SignatureBZumY3Vv3Ld3uUad16kcDhl/gkCGQWRatooYb8MkLfsdbWEZUZ+vpnAjt8wva7LKEgH7ywaIhQl9KJrtO3kCCg==
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

2026-09-17T08:43:49.506093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014529
observed dd98ea4e0baccbafac2c5282dbea3214...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:49.056190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014529/manifest.json
observed 3b91276b31284b22275603680506aaee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:48.756054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014529/publication.md
observed cedb51b9a50c17f1ed28f81af262935a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:48.214926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014529/publication.txt
observed b0f46c1581f0b9868e5c1e6477651195...
fetched by grabo-systems from 34.44.131.203, 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.