OpenTechnical

OT-2026-000013727

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000013727) never changes.

Identity and time

Publication numberOT-2026-000013727 · never reused
Internal UUID01a0ae6d-8de8-7b24-a068-e1e62a215a11 · 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-2026-000013727
StatusPUBLIC

Content hashes

Canonical text9af8ad82af1915067f7f541c185cf3836fb9e61fb83afa11168ddf8842b5e5b2
Markdowne1e6a42c9bf962dc2e7fb838aa7b29d9d829f71d8e09edc710c46535d16c90c0
PDF
Publication page91c62dd91caadfa2f0d27de3d5e1dcf2908873ad1f9efd1d5e4f5d8a64ee86fb
Manifestb895eb825e008dbcb1d8bce6c49e24a164459dec1a86d4cb8e533ec5bc488e84

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
Signature1plnqnJ3KHFGX8+hSEdRZ5s+Qdlk3qXLguu6LkL7rmPsx3+wd5T9Nnrw4oDFMAjKHiZmmilC+Ud9Yvbqu27ZAw==
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

2026-09-17T12:08:41.535550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013727
observed 91c62dd91caadfa2f0d27de3d5e1dcf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.517654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013727/manifest.json
observed b895eb825e008dbcb1d8bce6c49e24a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.499236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013727/publication.md
observed e1e6a42c9bf962dc2e7fb838aa7b29d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.482794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013727/publication.txt
observed 9af8ad82af1915067f7f541c185cf383...
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.