OpenTechnical

OT-2026-000088047

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088047) never changes.

Identity and time

Publication numberOT-2026-000088047 · never reused
Internal UUID01a0ae9b-1aa7-7cd3-9330-f48db6c043b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088047
StatusPUBLIC

Content hashes

Canonical text4b7bf1c00f6b75d3b1cd8cfcf42b00a82dc7a24dd2736278cbb463391b77b86c
Markdown9e20004495ccd0afec901a3f99a0bfbc7e87071cc68c7ae495eccc614a3c9ec7
PDF
Publication pageafebb33502669b87e2c7df938924c0135088351bfb04e47afbbe86c6e254b7a0
Manifestc4e7c67c3dec64022f841580ef94207101ffc2ee6efe7d32dc470511c1eda87a

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
SignaturePU5I+6CCmYAVFwDoOd8MuQPO6iy2F8Ya3w/kVnAdKLnr2kBJoNIFwj7+mItIawbxpm1KA+d3or2araQfuSr1BQ==
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

2026-09-17T09:49:26.432948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088047
observed afebb33502669b87e2c7df938924c013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.416779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088047/manifest.json
observed c4e7c67c3dec64022f841580ef942071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.400390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088047/publication.md
observed 9e20004495ccd0afec901a3f99a0bfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.382994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088047/publication.txt
observed 4b7bf1c00f6b75d3b1cd8cfcf42b00a8...
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.