OpenTechnical

OT-2026-000005744

Publication integrity record

Vacuum cup gripper, four outlet manifold, two stage ejector, vented before set down, polyurethane 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-2026-000005744) never changes.

Identity and time

Publication numberOT-2026-000005744 · never reused
Internal UUID01a0a943-5d7f-7de1-9c41-a53df8aa5aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:19.490378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005744
StatusPUBLIC

Content hashes

Canonical text0f1bb1bd44341c63927cfbfd394360c22466432f27c2b123817e4aaeb4ba8cc0
Markdown5442e13956eb36164535b251a3d972a4658a3ea4a8491daeacc41622dca867b7
PDF
Publication pagedd1b0fd217c221e64aff53559ef7f1b96a7f87230e5d0da115bbb5da726642b6
Manifeste43276df89326d3a65cd6c941917e86b3bad09a95400f7ba0ec365835a9a46ce

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
Signature0SnR7M7QpuGA3l5LDRQwPlpTveWCz4YPQOgFFtYDH0HmZJaXhwME1XIzFl6KYQRcMSogbN3RDEqBDA1AEl5MCg==
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

2026-09-16T08:10:04.899555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005744
observed dd1b0fd217c221e64aff53559ef7f1b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.886705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005744/manifest.json
observed e43276df89326d3a65cd6c941917e86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.873936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005744/publication.md
observed 5442e13956eb36164535b251a3d972a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.736268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005744/publication.txt
observed 0f1bb1bd44341c63927cfbfd394360c2...
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.