OpenTechnical

OT-2026-000070324

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000070324) never changes.

Identity and time

Publication numberOT-2026-000070324 · never reused
Internal UUID01a0ae91-545e-79ab-a404-ca2f06008936 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070324
StatusPUBLIC

Content hashes

Canonical text4ad83143c9286e97a59baded05ab56723aa5beb78bdc1b2dfd2a3aee1add4f80
Markdown9feb449b88a8ddbf119b40337ac5cbd3e08c1cc57b2d3d723c78dc5898a4f605
PDF
Publication page48fcd92fd43f5375c18b12302635adc7aabee8a1b45364f12ee76e005217ace4
Manifest2910c00bebb6b0d36e9dd9e146f8ad4d667c52d85ad0d72854cdd15f0b6e6920

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
SignatureTNCYapStEEoMqyN50i5w992741opKY2Xhmt5cNPqjFl6EAQqOIxDqGNUrnvxXFIS2uG7V+hYFKwpkMOAx02tDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:06.898785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070324
observed 48fcd92fd43f5375c18b12302635adc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.883617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070324/manifest.json
observed 2910c00bebb6b0d36e9dd9e146f8ad4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.867793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070324/publication.md
observed 9feb449b88a8ddbf119b40337ac5cbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.850164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070324/publication.txt
observed 4ad83143c9286e97a59baded05ab5672...
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.