OpenTechnical

OT-2026-000005368

Publication integrity record

Vacuum cup gripper, four outlet manifold, pump fed, pressure verified, silicone cups, oval form

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-2026-000005368) never changes.

Identity and time

Publication numberOT-2026-000005368 · never reused
Internal UUID01a0a936-d702-7024-9a96-916a4aae0a4f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:38.629563Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005368
StatusPUBLIC

Content hashes

Canonical text273b8a22b11a07cf95144758ee625f466adcad9a8a043ecb321039436765ae3c
Markdown29d757d82a30313434f3a8d043dee30336d2f85124d0ab6e6c1168637b39cc2f
PDF
Publication pageab6ac00581ee9c05ad374a210f2d940ec040661852f8c4b481a8e3a2f5688d8f
Manifest2ed59f0506bae0702c3499b340d7785b4caf49f7a57f73a6e21b6aa87a776fa7

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
SignatureGw59twkf606z/ICVSDJZ4pV6ypQ+Z1D0qTJqYY5LCL3JzNmasBmaR3roIbSP1M5BEg0H6d270XGayx0oJKLBBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:17.631303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005368
observed ab6ac00581ee9c05ad374a210f2d940e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.492382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005368/manifest.json
observed 2ed59f0506bae0702c3499b340d7785b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.469905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005368/publication.md
observed 29d757d82a30313434f3a8d043dee303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.448568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005368/publication.txt
observed 273b8a22b11a07cf95144758ee625f46...
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.