OpenTechnical

OT-2026-000013824

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000013824) never changes.

Identity and time

Publication numberOT-2026-000013824 · never reused
Internal UUID01a0ae6d-8de9-7f60-965d-ced72ae560a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013824
StatusPUBLIC

Content hashes

Canonical text896e1ed31e64c95809a00487aeecc41932bb41fddccf6754d980d76180c8b630
Markdownf915bcd5a0d8e2bfc563adb954f74cc6a8feabf869cf35edc0e71ac3eb59958a
PDF
Publication pagef4c67f64aef622da199b66950ae40d19b166ce9de5e4194ce81010fc76683807
Manifest3facf429f534b5950603ba3e500e550636ab94c842ece566736f4775cbf39849

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
Signature4ssxq6jo1mCnjxws69PmUBMIrab1tC8eL1uqZlfa2qirlRxnAfVCUOCJmvLE88Kixqqej2nXf/3+5GxwTi2TCw==
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

2026-09-17T12:08:55.410558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013824
observed f4c67f64aef622da199b66950ae40d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.393325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013824/manifest.json
observed 3facf429f534b5950603ba3e500e5506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.375800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013824/publication.md
observed f915bcd5a0d8e2bfc563adb954f74cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.357802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013824/publication.txt
observed 896e1ed31e64c95809a00487aeecc419...
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.