OpenTechnical

OT-2026-000005138

Publication integrity record

Vacuum cup gripper, pump fed, pulsed blow off before set down, rubber 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-2026-000005138) never changes.

Identity and time

Publication numberOT-2026-000005138 · never reused
Internal UUID01a0a92f-17b7-76ac-96a7-8f18f4ce361b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:10.906514Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005138
StatusPUBLIC

Content hashes

Canonical text8ff8bc46cc43de5d701c7dd40100f0f5343d4f1d51d135da09c105d3e8ccf1fd
Markdown9e7d91a80faaf1b9f62c33ab1f6b82ed9a257820a4f8c8466708944ddf48ed67
PDF
Publication pagefe5ff045ad6e6afbfca7d6b216b79f17941313425b9b1dcf86960c164093e7cc
Manifest7d89dbfba9ddb9f0ad132dd8b722388025d3694bc893b64cffe2537ef0cf4d70

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
Signaturei0lTZ7hy4wnVxLYVHu5oqm6Smv1yEGDa4E4tjCb7A0kG3wFC341dii3IWnidDm65SHnXVjhkMnthy2KM6pyLBg==
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

2026-09-16T07:50:11.379423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005138
observed fe5ff045ad6e6afbfca7d6b216b79f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.243808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005138/manifest.json
observed 7d89dbfba9ddb9f0ad132dd8b7223880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.230630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005138/publication.md
observed 9e7d91a80faaf1b9f62c33ab1f6b82ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:11.217005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005138/publication.txt
observed 8ff8bc46cc43de5d701c7dd40100f0f5...
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.