OpenTechnical

OT-2026-000088429

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000088429) never changes.

Identity and time

Publication numberOT-2026-000088429 · never reused
Internal UUID01a0ae9b-5d27-7691-bcec-5942aaed83a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088429
StatusPUBLIC

Content hashes

Canonical text80f0f3a2dc30c6e7dab501139558f82e6ec0f1049fc3fa21662ae9c4b27a0703
Markdownac317830670e7b57a5c983477b2c00249c2168f0ae20d1f36c87d628653e1d08
PDF
Publication page7f2e54c00de1abaab6975cb02097bb35c70b145d0f7f480c6180aaed94ae66ca
Manifeste7a22bff43a7762b9519443d1d99ccb74356e310641442d71a5c788b876e7b0a

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
SignatureA+cZMU5ApzoIRf5hbMXqvKEcQByNEDtMkwVQ6WYBazpiPCU8C+jEPuG1LfEAETGuTuSU2zgVzeRZSl6abSDyBw==
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

2026-09-17T09:48:47.988535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088429
observed 7f2e54c00de1abaab6975cb02097bb35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.969435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088429/manifest.json
observed e7a22bff43a7762b9519443d1d99ccb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.950633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088429/publication.md
observed ac317830670e7b57a5c983477b2c0024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.931673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088429/publication.txt
observed 80f0f3a2dc30c6e7dab501139558f82e...
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.