OpenTechnical

OT-2026-000103536

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off after 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-2026-000103536) never changes.

Identity and time

Publication numberOT-2026-000103536 · never reused
Internal UUID01a0aea4-e461-7dba-ac64-4495f314ae17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103536
StatusPUBLIC

Content hashes

Canonical textcb76e7596938ff75e8d5479440414e497ea28f095cd722cb52ae823ecdfa2bf6
Markdowne87330265e7153bed6a19e163ffc518e6a074e59d115088b43e8a4248f80d801
PDF
Publication page2b18f3079bc1e2be03d65a8833055dec62f668405d973fdb2e699fb7b913d18a
Manifestc7270e4fa88310e4ab9e677320bf1b45cddae74bf4c6eae7445596b8425c5b10

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
SignatureHP+8aZOjB6vPC03Hfh0+QC9tAK6UD9sT8R7PPdxX3w4b5m4xsVeX3hXSqDKL5ELWjKmRn9l/MS4Zdp6scYEMDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:18.688093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103536
observed 2b18f3079bc1e2be03d65a8833055dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.670437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103536/manifest.json
observed c7270e4fa88310e4ab9e677320bf1b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.651342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103536/publication.md
observed e87330265e7153bed6a19e163ffc518e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:18.634895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103536/publication.txt
observed cb76e7596938ff75e8d5479440414e49...
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.