OpenTechnical

OT-2026-000043623

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000043623) never changes.

Identity and time

Publication numberOT-2026-000043623 · never reused
Internal UUID01a0ae7b-92d0-7bdb-b057-d5fa64cf3f45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043623
StatusPUBLIC

Content hashes

Canonical text9fc29a623d7f2c95e9c7e584bb5db0d165fcdb5e6285ac72ba79ca4fc0901487
Markdown44ed9b1adf2e71fe1a96dbbd2c96730b28e516be5c1a2f5e98a1c24bf0c588d5
PDF
Publication page151c4b494ec98ae8ecf5906b65fffe68e271425b6404df27a73329c634b56d9e
Manifest199b10390fa811b3fbf08fcdcfec4646c1285945b68f72f5a8c360d5af877146

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
SignatureDnuxEYMN1xzJcSXdpeCSS7M0yBPR0zGrh3veFKvt9GbEUaC5mt5CT5huol5eookXcDeUJSy0nTOsBkJJEk36BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:05.598335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043623
observed 151c4b494ec98ae8ecf5906b65fffe68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.578515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043623/manifest.json
observed 199b10390fa811b3fbf08fcdcfec4646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.559668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043623/publication.md
observed 44ed9b1adf2e71fe1a96dbbd2c96730b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.540279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043623/publication.txt
observed 9fc29a623d7f2c95e9c7e584bb5db0d1...
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.