OpenTechnical

OT-2026-000007479

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, pulsed blow off after set down

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-2026-000007479) never changes.

Identity and time

Publication numberOT-2026-000007479 · never reused
Internal UUID01a0a980-567b-7e5e-ad53-0799ca250a91 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:55.390105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007479
StatusPUBLIC

Content hashes

Canonical textd56bda2c9d3b05ae0fe9bb856ccce05d485092a93e08a78d0c187effd192b33c
Markdown7db9fbb06176ef9ccf46ce834070c7d626c2d837fa2857147d29beca6a2e9e39
PDF
Publication pagee417cc671d9f016073e49fade5c503c421c931f258feaf668c5ec3e9feea0676
Manifestaeea69ed572cdde0e649aa33612fa89d65ec32655c943bd26067bcb1c785b42c

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
SignatureGDOTbxmGlTyGwoYK+LWDMut3rO7AZMeFe0Kmo2JLpkxCPeOjViKpbx1TGoVe9X3e9zWohIxg0+gs9yhtoOsdCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:03.110770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007479
observed e417cc671d9f016073e49fade5c503c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.096288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007479/manifest.json
observed aeea69ed572cdde0e649aa33612fa89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.081161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007479/publication.md
observed 7db9fbb06176ef9ccf46ce834070c7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.067018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007479/publication.txt
observed d56bda2c9d3b05ae0fe9bb856ccce05d...
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.