OpenTechnical

OT-2026-000073180

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000073180) never changes.

Identity and time

Publication numberOT-2026-000073180 · never reused
Internal UUID01a0ae92-efb6-7774-9bb8-9e0ea626ede5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073180
StatusPUBLIC

Content hashes

Canonical text2f537ab0caf167f40d83dcd129231bbf0fa781aa727583d1608f41447345fffd
Markdown94d76299497f06c69328720a6c767a61862ede627bfea23479d41950c5b18b0c
PDF
Publication page99f052004508bc27dd82fa50c8d29ccd99ccc4e0ecb7987bc9678e87687231ee
Manifest2509e25cf6aade264cc4389b29d7b43c87f672bfad805b45617164c6db7a366c

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
SignatureyuA/0aPAcNMUMbIBEzjcVRMx3mI7D2MOiGmP22CHGFdUZxqAzke4WoxD+dojDR2BlHpxedT+rAvGkdXjCJHCCw==
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

2026-09-17T10:21:08.066445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073180
observed 99f052004508bc27dd82fa50c8d29ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.048479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073180/manifest.json
observed 2509e25cf6aade264cc4389b29d7b43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.029953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073180/publication.md
observed 94d76299497f06c69328720a6c767a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:08.010626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073180/publication.txt
observed 2f537ab0caf167f40d83dcd129231bbf...
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.