OpenTechnical

OT-2026-000059612

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000059612) never changes.

Identity and time

Publication numberOT-2026-000059612 · never reused
Internal UUID01a0ae89-ec24-7608-b622-aa43d7c84384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059612
StatusPUBLIC

Content hashes

Canonical text23e38e196723efc8efa0372d69e51b85c59ef7501cc7d575bcf6cd83fbc2c8c1
Markdown0e64fa18e8c87bb03d21fd0dd30066c12e04d02cb1c4763b4d4893696e9b9baa
PDF
Publication page27be8f1aaefeab235d6fa1f7d85ce4cad3ced00a4bfc9ac606becc735891373e
Manifest1c5122cf31b518f9a248695d15a503c1e3f3556861041ae5dcec619e7adc6490

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
Signaturebb3SH0VVaEVYzYHlZBtF1nADxumOzFu8YXTAgsljh9gRnNEW01fXeQayL4WonemWfeSg3nJvarKvnKqYq6p2Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:16.108048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059612
observed 27be8f1aaefeab235d6fa1f7d85ce4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.090222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059612/manifest.json
observed 1c5122cf31b518f9a248695d15a503c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.072906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059612/publication.md
observed 0e64fa18e8c87bb03d21fd0dd30066c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.056141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059612/publication.txt
observed 23e38e196723efc8efa0372d69e51b85...
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.