OpenTechnical

OT-2026-000030217

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000030217) never changes.

Identity and time

Publication numberOT-2026-000030217 · never reused
Internal UUID01a0ae73-e500-7a76-a911-892931369cc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030217
StatusPUBLIC

Content hashes

Canonical textf37dceacb9797a5da09fbf473b90259dfd4157e69f48c06a365619b2b5ab2d11
Markdownbdd03c9b10f827a0391c570018e2d9285815d45be5200f72b90bdcfe93f1b8bb
PDF
Publication page1aa842f7ddfeea0aa951a70c2f325c01135190ae84830b5d4be98159d2e30b05
Manifest374d77492727eca91792d63be0390f9538978006efda74aa90b22057a02a931d

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
SignaturerGiLOxp+IzhG7kC/lw++y4vHtaM2IhUjaFqCXbBhljrOh2hOVqqRqd6hVw23F39sQ/h3jMKGFu9SRiUGOc3oDg==
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

2026-09-17T11:40:35.516348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217
observed 1aa842f7ddfeea0aa951a70c2f325c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.497368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217/manifest.json
observed 374d77492727eca91792d63be0390f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.480238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217/publication.md
observed bdd03c9b10f827a0391c570018e2d928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.464106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217/publication.txt
observed f37dceacb9797a5da09fbf473b90259d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.036588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217
observed 1aa842f7ddfeea0aa951a70c2f325c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.018335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217/manifest.json
observed 374d77492727eca91792d63be0390f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.996905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217/publication.md
observed bdd03c9b10f827a0391c570018e2d928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.979127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030217/publication.txt
observed f37dceacb9797a5da09fbf473b90259d...
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.