OpenTechnical

OT-2026-000072243

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072243) never changes.

Identity and time

Publication numberOT-2026-000072243 · never reused
Internal UUID01a0ae92-47c2-7d4b-af2e-4373b7c0f663 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072243
StatusPUBLIC

Content hashes

Canonical text405c32905b42104846415e5031053516eb2684f3494716b17c886e770aee97c3
Markdown451a37c3f721a16404ba6e301c15f989b96c560c4a46a236a271dc4271abaa2a
PDF
Publication page602cd5670eb91ddadd7a0da75b5704b7fad4b7c3e20da4a1bfd4a8ff14bcd3bc
Manifest9b1d8cccac296df2ecf40f91fe3bd815b860f22dff7400df51c70476507daf73

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
SignatureAKVGIcuDA9OB8LPUeyVmzrS3ybmLV3vDc4ZDfMtewGHwpvFPV3Zepg3p0D/eIAFFzxAx8+zevSf4ySmpvMosBA==
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

2026-09-17T10:23:21.058615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072243
observed 602cd5670eb91ddadd7a0da75b5704b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.041147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072243/manifest.json
observed 9b1d8cccac296df2ecf40f91fe3bd815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.023379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072243/publication.md
observed 451a37c3f721a16404ba6e301c15f989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.007047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072243/publication.txt
observed 405c32905b42104846415e5031053516...
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.