OpenTechnical

OT-2026-000103413

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000103413) never changes.

Identity and time

Publication numberOT-2026-000103413 · never reused
Internal UUID01a0aea4-e460-7ab4-b81e-f4c7e9176b76 · 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-2026-000103413
StatusPUBLIC

Content hashes

Canonical text526d2918f761f54e7ce9fec31cbd49de2952fc6438c4050d75437f72d3c528a1
Markdown84d3b969b6119fb36549905c9f31be37c63934ae668b8c91ee9075df845e23cd
PDF
Publication paged9c31aab7e33ea2d850da55ac95c24037264a03909ffa53e9311ea8b1ee20037
Manifest7578aa658ff7469625173c588009837af21fd1ae87595521d6d7e450babc2b38

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
SignatureSbbtKfUF+Guo/6tzAvO2JQ4zvnUVuytImYMAG/E3rUAIOKo2NYyi9z6o0F8vHmHS+H39BFPW0p7ZMP1m3Ay2BQ==
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

2026-09-17T09:22:09.610059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103413
observed d9c31aab7e33ea2d850da55ac95c2403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.593448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103413/manifest.json
observed 7578aa658ff7469625173c588009837a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.575278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103413/publication.md
observed 84d3b969b6119fb36549905c9f31be37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.558680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103413/publication.txt
observed 526d2918f761f54e7ce9fec31cbd49de...
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.