Pith Number

pith:MTF3RBLV

pith:2019:MTF3RBLVN6CXX2UGRHSDEU67VB

not attested not anchored not stored refs pending

A Low-Profile, Self-Contained System for Atmospheric Monitoring and Mid-flight Collection of Viable Microbiological Samples at High Altitude

Caitlyn A. K. Singam

arxiv:1908.06768 v1 · 2019-08-16 · astro-ph.IM · q-bio.PE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTF3RBLVN6CXX2UGRHSDEU67VB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:58:19.165189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64cbb885756f857bea8689e43253dfa8653be6e9f21dbb5724e016f541761405

Aliases

arxiv: 1908.06768 · arxiv_version: 1908.06768v1 · doi: 10.48550/arxiv.1908.06768 · pith_short_12: MTF3RBLVN6CX · pith_short_16: MTF3RBLVN6CXX2UG · pith_short_8: MTF3RBLV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MTF3RBLVN6CXX2UGRHSDEU67VB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 64cbb885756f857bea8689e43253dfa8653be6e9f21dbb5724e016f541761405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2616a319669a9e006b7c1fa749af9576b6bf60186cdd3178f18fa85b1cb47df",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-16T17:33:53Z",
    "title_canon_sha256": "efb4930b17fa0bcccb3480810055c94f8c83ce45b09870b8ae003d9ab3919df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06768",
    "kind": "arxiv",
    "version": 1
  }
}