OpenTechnical

OT-2026-000086917

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, sustained 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-2026-000086917) never changes.

Identity and time

Publication numberOT-2026-000086917 · never reused
Internal UUID01a0ae9a-80a5-7846-a475-97b23d20dbb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086917
StatusPUBLIC

Content hashes

Canonical textbb54400320be9bb29ebfcf01bc25e7f2bf36e0cc15fd7dd2b70e67aaf99cb831
Markdownf88d2ddb26768d97ed8caa51c028522e30587ea0257482b3632ccf81076bf0bc
PDF
Publication page76815be7d5fcac0513b1c0fcd34860ce8e4adac0138759ef45e6f4c09dae8306
Manifestf6e21c7ce06e08752fe2c445ad731c573b48860e51c6dc06e1117bf532096f67

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
SignatureSvLJ0lbTe0uUwB8DQxjoI+kuXJ0uM/IAXDCV/E+O2M8DsDXkmjIPh4qA9XmEsYBTP1D1MrFMdYjMYOG2DOPZAg==
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

2026-09-17T09:51:46.332880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086917
observed 76815be7d5fcac0513b1c0fcd34860ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.315750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086917/manifest.json
observed f6e21c7ce06e08752fe2c445ad731c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.299109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086917/publication.md
observed f88d2ddb26768d97ed8caa51c028522e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.282263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086917/publication.txt
observed bb54400320be9bb29ebfcf01bc25e7f2...
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.