OpenTechnical

OT-2026-000005743

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, vented before set down, silicone 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-2026-000005743) never changes.

Identity and time

Publication numberOT-2026-000005743 · never reused
Internal UUID01a0a943-558d-7ad5-a92d-25a938d16da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:17.457225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005743
StatusPUBLIC

Content hashes

Canonical textbd69c95ae461e25830dfa1667ae23964525d35278a93d9c83f3d8f82375980d9
Markdowna4971a9b70e780eba008e34b55b4e83d5c969f0074ba8677dcbbe3e1f68dfa6f
PDF
Publication pagea60320569359b33a5104fcd21015e3eea3a13ef8c0e95024f61d53620f81a479
Manifest1d9f699a261ba119139bf591378542cf457c30c714db95f6fbc1468d5d0a5c7a

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
SignatureY7g1ojj+4Ez2Z5ED9zPd6apvLVPNwy3xRS0M4E9gUkH+L98ku5a7PfSehQEhSBDY2M7Blrb1fmMQ+d8DjU2iAw==
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

2026-09-16T08:10:04.956714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005743
observed a60320569359b33a5104fcd21015e3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.942009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005743/manifest.json
observed 1d9f699a261ba119139bf591378542cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.926162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005743/publication.md
observed a4971a9b70e780eba008e34b55b4e83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.914028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005743/publication.txt
observed bd69c95ae461e25830dfa1667ae23964...
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.