OpenTechnical

OT-2026-000102579

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000102579) never changes.

Identity and time

Publication numberOT-2026-000102579 · never reused
Internal UUID01a0aea4-858a-7eba-961e-7c623cceab9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102579
StatusPUBLIC

Content hashes

Canonical text7c4b66dc1eda7cb10bedf50d4007066d12f8f1d81b81a4dee972573561adc040
Markdownd9124ceeffc4a3c22233908b6f623936a6832429a95cb04631a1eb383cbf9942
PDF
Publication page1f5efc56e9fa177fc289048c48f2376348b3f0b2f56df071458f37cf62ec80c9
Manifest64cb9a4cb3b718a5f7aad0e8d13a7585ec09958198393f9c94b271530617c1c3

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
Signature8P+I9uqbDHlpOlCvpEIQPvEpV7vOtwI/ICweBZW8jR67AWGXKrkRrVCqGJJnqyr6JEuKHUAkew1O1hiKBsBpBQ==
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

2026-09-17T09:24:03.880104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102579
observed 1f5efc56e9fa177fc289048c48f23763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.862027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102579/manifest.json
observed 64cb9a4cb3b718a5f7aad0e8d13a7585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.843322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102579/publication.md
observed d9124ceeffc4a3c22233908b6f623936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.827018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102579/publication.txt
observed 7c4b66dc1eda7cb10bedf50d4007066d...
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.