OpenTechnical

OT-2026-000087109

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained 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-2026-000087109) never changes.

Identity and time

Publication numberOT-2026-000087109 · never reused
Internal UUID01a0ae9a-9f2d-743e-9ea9-5648f3a2a84d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087109
StatusPUBLIC

Content hashes

Canonical text9c185746b69d0d8afb67eea041fe4d1974b4c4b8d05670c71a5baa327ff639c2
Markdown17ad50d916d74511e221131bb554a3cd05fb5718e7991d4a1bec4f41c593fbf7
PDF
Publication page4cec5b9e771dbb74ededf38fb01460c23142ce59ef20d8defaf601d89d75d60f
Manifest65b5543403908fcd243ec2cb043d62a252bde5ec5f6e26a419eee513db4aa65f

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+7P1a/ven48GcF/5VdcJ/y9p5OFLTN7ZQRFGNCKZzssP0MY/8di+BqK1LR0Q+TTPt2udPHshb6nWTU0OcBPEBA==
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

2026-09-17T09:51:22.219092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087109
observed 4cec5b9e771dbb74ededf38fb01460c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.204106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087109/manifest.json
observed 65b5543403908fcd243ec2cb043d62a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.189175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087109/publication.md
observed 17ad50d916d74511e221131bb554a3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.173257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087109/publication.txt
observed 9c185746b69d0d8afb67eea041fe4d19...
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.