OpenTechnical

OT-2026-000023124

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000023124) never changes.

Identity and time

Publication numberOT-2026-000023124 · never reused
Internal UUID01a0ae70-7266-7ee0-80bc-56adc6cd7820 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023124
StatusPUBLIC

Content hashes

Canonical text96f806d1f072addff38725c9a96bfbeb232828d83e0c3319d97a6f752c2208f0
Markdown1b263206dbb26b5b4051bb12bcaf0413a9230ee9880674c4826f044c8d88f8b4
PDF
Publication paged0fdfcb8d1b2ddedd7b3c68184428878c7867d58f4f288958ab259ad4e83af37
Manifest47908ffdc69cf644a44b08dee165e56d500fc561e6c744cd0df2fd3e0468dea5

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
SignatureVVWFzEPdMvzyjWWKd043GoEaislmmyFXGfx6wHQwzSoFBp9LxIjMzanhCkVFV2u7skFRGhOe8hn9i2ivui+TAQ==
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

2026-09-17T11:51:03.146591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023124
observed d0fdfcb8d1b2ddedd7b3c68184428878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.124958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023124/manifest.json
observed 47908ffdc69cf644a44b08dee165e56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.107569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023124/publication.md
observed 1b263206dbb26b5b4051bb12bcaf0413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.088396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023124/publication.txt
observed 96f806d1f072addff38725c9a96bfbeb...
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.