OpenTechnical

OT-2026-000019252

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold 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-2026-000019252) never changes.

Identity and time

Publication numberOT-2026-000019252 · never reused
Internal UUID01a0ae6e-f392-7c94-a6f3-7bfc86e73ec2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019252
StatusPUBLIC

Content hashes

Canonical textc359144595d6183db141ae8d2edb32648e4854fb9f4474c1b58a710c99cfca69
Markdown66f0aa1ba5f71d4ece82377887f10b03abd14d7e09ef37139831e81cbad57aaf
PDF
Publication page37bff9a46610049e3ae45c7a14c14ea1e3f73b8b34c2d63ff4e24586a7a09248
Manifestf41ea603a8f462348079522dcf2927d25591cfddf2adceea0cdbd6280c45c550

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
SignatureOpGATVFA2HUVDF4BNDiemAFm1oMzQZ3+mfY4Hz+2dVUrPTX1RGSzK/K7DtzdAMgkIbXnN0/5kUdjW0IL2D3vDQ==
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

2026-09-17T11:58:35.540787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019252
observed 37bff9a46610049e3ae45c7a14c14ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.523296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019252/manifest.json
observed f41ea603a8f462348079522dcf2927d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.503982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019252/publication.md
observed 66f0aa1ba5f71d4ece82377887f10b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.485995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019252/publication.txt
observed c359144595d6183db141ae8d2edb3264...
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.