OpenTechnical

OT-2026-000050687

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000050687) never changes.

Identity and time

Publication numberOT-2026-000050687 · never reused
Internal UUID01a0ae82-c7b0-7258-bd9b-1f46088d41ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050687
StatusPUBLIC

Content hashes

Canonical text170eb2b3d53e212ff832398348eb004c917e62e0b69b33ccdf5bd6acb244d722
Markdown8b9bd629e055b5235c976a2dde928c2433ffdd4b4df04eb482417f62570d4723
PDF
Publication page3487f4c7a99334de3c24af86af45f935beda3b983e4eadb710270ee2b85e595c
Manifest51562ed6ffab95791f65751923da80ef32d9a90abb9f73cebefdf2b7586de86a

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
Signaturef53p31/5RfiafZ1RIzXzzrOX1Nca/P6Fen5kl67So0V5w/9nkTG6nB2HuEQJWhD5e3Htv3pESDdJM1BNqV84AA==
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

2026-09-17T10:59:23.825706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050687
observed 3487f4c7a99334de3c24af86af45f935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.806120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050687/manifest.json
observed 51562ed6ffab95791f65751923da80ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.786939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050687/publication.md
observed 8b9bd629e055b5235c976a2dde928c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.769245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050687/publication.txt
observed 170eb2b3d53e212ff832398348eb004c...
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.