OpenTechnical

OT-2026-000015201

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000015201) never changes.

Identity and time

Publication numberOT-2026-000015201 · never reused
Internal UUID01a0ae6d-ef47-7780-892f-8f5391f15408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015201
StatusPUBLIC

Content hashes

Canonical text49a70ca58d648d63efa8c0da332900ea10e69d84834bde7e8c4cf77f0fa2718f
Markdown0fa98f909ce0c733f05f3a4b896326200b21c8ab1d40963dad88a851f2ce11b9
PDF
Publication page272bd56e422ef261b328376a7672e8c40088dc5ac11da68ae32deee175a95c3e
Manifest1501d7c27585da3247f2746c6d45d00e9a2ecb1682385191bc858937192ce971

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
SignatureH+nVNZN4n5HzdlEdgqfmCIuj/1D1hYF8WJ37o2AiMTCNXQiqIBEsJaZ3jVAU0E4QhWuTQ12v5X/3wJDYJYNNCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:49.935446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015201
observed 272bd56e422ef261b328376a7672e8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.917130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015201/manifest.json
observed 1501d7c27585da3247f2746c6d45d00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.898458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015201/publication.md
observed 0fa98f909ce0c733f05f3a4b89632620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.880392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015201/publication.txt
observed 49a70ca58d648d63efa8c0da332900ea...
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.