OpenTechnical

OT-2026-000005954

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, ejector fed, pressure verified, 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-2026-000005954) never changes.

Identity and time

Publication numberOT-2026-000005954 · never reused
Internal UUID01a0a94a-569b-7f9c-a0c6-7f3bf8e1d242 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:56.479085Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005954
StatusPUBLIC

Content hashes

Canonical textd96ee7170bd6950de32fd3c3b4bcad425af21da68d4b0f62b8db08a1dcc2513a
Markdown78cb1089df53019cc2b5a77c22424af1e1693fdb6c013d0e0e6d26a5ce49197b
PDF
Publication page0e154108fd14afa05d8873b6378ba40f37416690d8a4e6b4fea0bc4303f5c085
Manifest92431a66527032fb26e44fadaf572c73f1ae51733613de2d9543ae6f7cee8632

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
SignaturepdxMshdSapdbyt/yn4NfHyG09Z6s0uwHQIh+W6LmBQfBmLDXWnfldWBts16jI6cC7SoMitPCWjoqPlguK6sYAA==
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

2026-09-16T08:20:13.208503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005954
observed 0e154108fd14afa05d8873b6378ba40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.187672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005954/manifest.json
observed 92431a66527032fb26e44fadaf572c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.168202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005954/publication.md
observed 78cb1089df53019cc2b5a77c22424af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.152161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005954/publication.txt
observed d96ee7170bd6950de32fd3c3b4bcad42...
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.