OpenTechnical

OT-2026-000071973

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000071973) never changes.

Identity and time

Publication numberOT-2026-000071973 · never reused
Internal UUID01a0ae92-47c0-7ecc-ba81-7f157c8de9a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071973
StatusPUBLIC

Content hashes

Canonical textbd93a126e3f6281fb99e2e9d0c3770bb8f999856ec4fe5612db15a296d83a738
Markdown27eae2cc24c16ea17226a5ce57021dba221bd05aab8e372e6e91774d05c2a66f
PDF
Publication page1af96def8470c47496514628914914999e22f97ccf261066a6d5181778774515
Manifest1fec6c79153006ee3d8611e19c36177a5da9ad7f95aa6b18d9808c8524469e5a

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
Signature/4D8MJsq0QGCUB9P3RzIXgAoj0YgIhonNPI8jjnwTGRir9CiqeFBOt+GRGQ9X/ygUWSGgV9XF/TVG/a4aZTGDw==
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

2026-09-17T10:23:01.215464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071973
observed 1af96def8470c4749651462891491499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.198045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071973/manifest.json
observed 1fec6c79153006ee3d8611e19c36177a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.179419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071973/publication.md
observed 27eae2cc24c16ea17226a5ce57021dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.161213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071973/publication.txt
observed bd93a126e3f6281fb99e2e9d0c3770bb...
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.