OpenTechnical

OT-2026-000006217

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, pump fed, pressure verified, silicone cups

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-2026-000006217) never changes.

Identity and time

Publication numberOT-2026-000006217 · never reused
Internal UUID01a0a953-48b8-7c2a-a343-637824031bdf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:42.747346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006217
StatusPUBLIC

Content hashes

Canonical text4593c1d844801b8b21ae52d06b0ccd7aec8d292734a6e6f6589446374501e9fe
Markdown8e9f20869c32c13327395f72d3b55ea4a5c816fd7f451f236a04208259d04456
PDF
Publication page9d567e45af59428d5ae6569e66269af0fc56d0aba28b2d15add1ba8d2b80a0b8
Manifest13f8b8e448cd1ddbff00378d53276374b8365f86a65522c9cd9f4af72c87d184

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
SignaturemVI0l91EIJeAwnNcJdaJ/hLEnKbGbWERW6MrDukImkKiQwg98kbXlN2CQ6s9yYfwp39t6LBcaenN755r3+SMAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:13.927266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006217
observed 9d567e45af59428d5ae6569e66269af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.913594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006217/manifest.json
observed 13f8b8e448cd1ddbff00378d53276374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.898001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006217/publication.md
observed 8e9f20869c32c13327395f72d3b55ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.882893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006217/publication.txt
observed 4593c1d844801b8b21ae52d06b0ccd7a...
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.