OpenTechnical

OT-2026-000008315

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000008315) never changes.

Identity and time

Publication numberOT-2026-000008315 · never reused
Internal UUID01a0ae6a-908e-7fcc-acff-24740964e69f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008315
StatusPUBLIC

Content hashes

Canonical textdefb1a6c0eee4e6a1db800fa7f612098429085014a5aa955cf87aaadbcdc913b
Markdown8d99eae64e2a1c5179202b1073652a7dae92ee231b2ccd8289f92b5ee217bb2d
PDF
Publication page6f8a4c03cb40164b77a172641841226aeb6198c975ed207d3e85f313eab6de44
Manifestd98ae4faaed215e46c04ffa7c9b4d318958d8d8128b13ffa123fbb4c403dd3aa

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
SignatureVsVlstdBoOGDUl3INOPmMVpiZ76JtWDERvlExXwtoesGn13rZp0WgEWrD5N1kCOIwx3UEr9VR1a0GshDEY44CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:15.646097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315
observed 6f8a4c03cb40164b77a172641841226a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.626558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315/manifest.json
observed d98ae4faaed215e46c04ffa7c9b4d318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.606997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315/publication.md
observed 8d99eae64e2a1c5179202b1073652a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:15.587831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315/publication.txt
observed defb1a6c0eee4e6a1db800fa7f612098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.672233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315
observed 6f8a4c03cb40164b77a172641841226a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.654546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315/manifest.json
observed d98ae4faaed215e46c04ffa7c9b4d318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.635701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315/publication.md
observed 8d99eae64e2a1c5179202b1073652a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:48.615766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008315/publication.txt
observed defb1a6c0eee4e6a1db800fa7f612098...
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.