OpenTechnical

OT-2026-000004914

Publication integrity record

Bellows cup vacuum gripper, ejector fed, contact triggered, plastic cups, 1 fold

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-2026-000004914) never changes.

Identity and time

Publication numberOT-2026-000004914 · never reused
Internal UUID01a0a927-a466-7afd-b77a-ff49b8f78456 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:39:02.634069Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004914
StatusPUBLIC

Content hashes

Canonical textb2d4fb19cd0af411b74e3cf77e58deb565110bae277260fa365aed17bc25d684
Markdown21081ba91986f6a60e3336a3f832aaf794d4894476958ff356035977f1b24d31
PDF
Publication pagee9b764026aac32295a33dbea5832cdfbfc402240fbd1bd8682a3e09239de1af2
Manifest0f0b7679e045c279247b17e3954da693ad8196f86552f3aa36d0e726820735f9

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
SignaturelMWNIa1KM5b6dxzmEsVvr81UJHMUWHUkuQfsz0AChraYjrZ6djAYEMplafs0BVEzDXqThdPeFzYZMPF4c8KZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:05.237470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004914
observed e9b764026aac32295a33dbea5832cdfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:05.224310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004914/manifest.json
observed 0f0b7679e045c279247b17e3954da693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:05.209609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004914/publication.md
observed 21081ba91986f6a60e3336a3f832aaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:05.195722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004914/publication.txt
observed b2d4fb19cd0af411b74e3cf77e58deb5...
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.