OpenTechnical

OT-2026-000050852

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050852) never changes.

Identity and time

Publication numberOT-2026-000050852 · never reused
Internal UUID01a0ae82-c7b2-7ae8-9c93-6e255dfdbc6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050852
StatusPUBLIC

Content hashes

Canonical textf3d93e83c770ee3536b6b7d0b2a08cca67e1bc92f012fbc545323e7394e66b79
Markdown2ebacca8e7f10698347912c482b7ae43f40cced3b08bc65503aacfc64a540de5
PDF
Publication page12b659b266e7ba4a889482f6739cc26840315807a12f78335c5e4dec1db147d7
Manifest8e0ce588b5049d4d0786a06bf338477190b37a515b8812c2cddef7aca179c735

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
SignatureiTnwlgytGahv0VEXXyCnHy/5xTlo981nX+6mCLU4wFXIBFhgsrwU1qU/ezNFseihksp980ufSapETAyFPga5Aw==
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

2026-09-17T11:00:25.485368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852
observed 12b659b266e7ba4a889482f6739cc268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.477863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852
observed 12b659b266e7ba4a889482f6739cc268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.461390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852/manifest.json
observed 8e0ce588b5049d4d0786a06bf3384771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.454908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852/manifest.json
observed 8e0ce588b5049d4d0786a06bf3384771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.433909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852/publication.md
observed 2ebacca8e7f10698347912c482b7ae43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.427729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852/publication.md
observed 2ebacca8e7f10698347912c482b7ae43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.406634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852/publication.txt
observed f3d93e83c770ee3536b6b7d0b2a08cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:25.399997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050852/publication.txt
observed f3d93e83c770ee3536b6b7d0b2a08cca...
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.