OpenTechnical

OT-2026-000072600

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000072600) never changes.

Identity and time

Publication numberOT-2026-000072600 · never reused
Internal UUID01a0ae92-89d9-777d-8ed0-bb318cae190a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072600
StatusPUBLIC

Content hashes

Canonical text63d3f352b134c3ba0f88e04b518f5813db8ed90e0f366d8e34cecd84c89344c4
Markdown40a9151e0d396d7b23a0c8624277fec0664748076d51d125d7dbd1357610b1d4
PDF
Publication pageeffa08f188e4515ed754386acd436cbbfd3e39e09ec2d4f2fd410e9759a6b2e7
Manifesta47b660ede1d59dfe7e2b6e36a1f347661b280adae738c5d1b68a457a0456abe

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
SignatureAvY+AddPNY6z/9R7I/Cu/qlEhSQWhM4TQ/LSlkZ+wRGASgB5lJV81rumGUeDze1O2mVhEI0Sj81k3sbI/I1jCA==
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

2026-09-17T10:22:26.784976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072600
observed effa08f188e4515ed754386acd436cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.767645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072600/manifest.json
observed a47b660ede1d59dfe7e2b6e36a1f3476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.750808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072600/publication.md
observed 40a9151e0d396d7b23a0c8624277fec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.734192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072600/publication.txt
observed 63d3f352b134c3ba0f88e04b518f5813...
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.