OpenTechnical

OT-2026-000005105

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, contact triggered on the face

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-2026-000005105) never changes.

Identity and time

Publication numberOT-2026-000005105 · never reused
Internal UUID01a0a92e-03a0-7bd4-a4f9-2f5ea14fac74 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:00.229030Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005105
StatusPUBLIC

Content hashes

Canonical text1247d8a8d927a66934f79956ec6a3da94200276d552d4939b6a150d6c74c4231
Markdownd7bb54890859256d2388a310d93592f927eb3b9fec2d5092fdb61859e8fb9d72
PDF
Publication paged4ff392945e592df02dd1b430db07f480cb4a283902aaeb202dfab94d1709515
Manifest227b3561977851816a911b393dd97fcacadd6e239284a1dc45758e774a15a1af

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
Signaturek38nLYWeDMXUfaF6/v1+4NqhPMCxzoMPC861K1SjxMswZX1CWgv4pzz94+16CCkW9Z0KuwZj/7t53PIqmsfxCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:14.948497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005105
observed d4ff392945e592df02dd1b430db07f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.934940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005105/manifest.json
observed 227b3561977851816a911b393dd97fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.921909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005105/publication.md
observed d7bb54890859256d2388a310d93592f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.909463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005105/publication.txt
observed 1247d8a8d927a66934f79956ec6a3da9...
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.