OpenTechnical

OT-2026-000073138

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000073138) never changes.

Identity and time

Publication numberOT-2026-000073138 · never reused
Internal UUID01a0ae92-efb6-7612-8253-d4150a6c33d3 · 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-2026-000073138
StatusPUBLIC

Content hashes

Canonical text7b2ce2148ae5417370ec3b474a593eda381ae37d87103a60a092973006c7d226
Markdownaccc59bf2fe67c832428988a34197a7bb81048c6ec78e1f0ac5b43060dd0d87a
PDF
Publication pagecda08517c7a55b2336b4161548ec915e0f234ab796902d67750abe43875eec49
Manifestf6b6b079bf26299a7fbd9414fa605af906bb0ae24a9702cfb7fd9917df6e338b

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
SignatureK2+qSLORfcc+x0gSMVPB58szVTUBkBd0Tlkp4e5XnSIGvX9rOKiPxCMU2GQuE9ynCbLdyX3wloROLqVxaKZgDw==
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

2026-09-17T10:21:04.505125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073138
observed cda08517c7a55b2336b4161548ec915e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.486018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073138/manifest.json
observed f6b6b079bf26299a7fbd9414fa605af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.467407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073138/publication.md
observed accc59bf2fe67c832428988a34197a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.448837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073138/publication.txt
observed 7b2ce2148ae5417370ec3b474a593eda...
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.