OpenTechnical

OT-2026-000006669

Publication integrity record

Vacuum cup gripper, three zone face, plant vacuum fed, pressure verified, vented before set down

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-2026-000006669) never changes.

Identity and time

Publication numberOT-2026-000006669 · never reused
Internal UUID01a0a963-5506-7f7e-8623-3cc92a58b23d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:14.473254Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006669
StatusPUBLIC

Content hashes

Canonical text2640500a72d313d3669985e11f3ca6078fed42d3eaeecd77b8affe7e42e75043
Markdown007658573ef07661529b2dd64c7af9c7a3c6f49b74d0638e4eb7788b1fc97abd
PDF
Publication pagedbd31d1d2bf5fe400a9f7bdea7e33988bf94b0a5806231a2b35e84118540fca3
Manifest1e3426537f545c8904cdd6e9616fbb0ffdd0a3d06b177673ec6ac4076b874078

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
Signatureg5qnYe5gEtIyq6kJij0nXk8hpF4wEmuwNSpo97NFjLT7BWp8Cn5RQ0R2mwz0y4s7nAauZhk6MYVsnSIL7W4BCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:19.225646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006669
observed dbd31d1d2bf5fe400a9f7bdea7e33988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.212802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006669/manifest.json
observed 1e3426537f545c8904cdd6e9616fbb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.200486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006669/publication.md
observed 007658573ef07661529b2dd64c7af9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.187558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006669/publication.txt
observed 2640500a72d313d3669985e11f3ca607...
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.