OpenTechnical

OT-2026-000099552

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000099552) never changes.

Identity and time

Publication numberOT-2026-000099552 · never reused
Internal UUID01a0aea2-c975-7273-be98-216ab78cfa46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099552
StatusPUBLIC

Content hashes

Canonical texte076ac6ad239f90534f3f03aee86ff54de6b8f36affe9f718c0c3f73d8b10250
Markdown2974d0ea50a27bd532a9516e537e59c2ce0dcc9cf3fe6786d6db98e41ec18dd8
PDF
Publication page52c00f82bdd709cdf2e85338583a78f9ada92dec23fb840ef1c215fef2c5a6d8
Manifest921bf6f83b5c689f9e9f449df8d431e148bd3d64401dcfa5e5ff3e7a9cfe1172

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
SignaturejAzc3a8ntcuaT4eCpIh7JNLuaUxRMCFtRiJ7D3a+P9EWy31+BsZzvHVE0C56sP5c9xu+I6hcgbzbZ8xl3SrRBg==
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

2026-09-17T09:29:27.593123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099552
observed 52c00f82bdd709cdf2e85338583a78f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.574744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099552/manifest.json
observed 921bf6f83b5c689f9e9f449df8d431e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.557415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099552/publication.md
observed 2974d0ea50a27bd532a9516e537e59c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.538255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099552/publication.txt
observed e076ac6ad239f90534f3f03aee86ff54...
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.