OpenTechnical

OT-2026-000013615

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before 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-2026-000013615) never changes.

Identity and time

Publication numberOT-2026-000013615 · never reused
Internal UUID01a0ae6d-8de8-74bb-86c7-44b503c03aca · 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-2026-000013615
StatusPUBLIC

Content hashes

Canonical text9e91ac4860e88ad9d0b651736ad5e97169a8623d5586bba7ae986db843db5faa
Markdown019b3468bf69370a0190c273f6d1688619bf9cbfe1b424cf8e3d0f66adeadcb8
PDF
Publication page566686f5d3e9c93accbefc5d2978c09ee83b42a05393c30a9eb83528e183d9ba
Manifest03fd869d3f3240f1399803127f39f784fd45353eca63c89209bd2c1f9a28fe84

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
SignatureE4XHA8tmo3EnT/sMxqD2p95NbTPZSoD1qwIWn1Oh691s6nGCBCo/+4cKbzaZhacUjDAwJLUb9DM2xnYfcJLSDg==
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

2026-09-17T12:10:31.585816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615
observed 566686f5d3e9c93accbefc5d2978c09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.567924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615/manifest.json
observed 03fd869d3f3240f1399803127f39f784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.550564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615/publication.md
observed 019b3468bf69370a0190c273f6d16886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.530910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615/publication.txt
observed 9e91ac4860e88ad9d0b651736ad5e971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.637787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615
observed 566686f5d3e9c93accbefc5d2978c09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.619373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615/manifest.json
observed 03fd869d3f3240f1399803127f39f784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.599750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615/publication.md
observed 019b3468bf69370a0190c273f6d16886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.581880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013615/publication.txt
observed 9e91ac4860e88ad9d0b651736ad5e971...
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.