Pith Number

pith:MFQVYKYP

pith:2018:MFQVYKYPEOY5BOGJBIHJHCOOYZ

not attested not anchored not stored refs pending

Low frequency measurements of synchrotron absorbing HII regions and modeling of observed synchrotron emissivity

I.M. Polderman, M. Haverkorn, M.I.R. Alves, T.R. Jaffe

arxiv:1811.10310 v1 · 2018-11-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFQVYKYPEOY5BOGJBIHJHCOOYZ}

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

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	2026-05-17T23:55:43.682724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61615c2b0f23b1d0b8c90a0e9389cec64c4f9a4b320a717439e5ee7d47ae9e72

Aliases

arxiv: 1811.10310 · arxiv_version: 1811.10310v1 · doi: 10.48550/arxiv.1811.10310 · pith_short_12: MFQVYKYPEOY5 · pith_short_16: MFQVYKYPEOY5BOGJ · pith_short_8: MFQVYKYP

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/MFQVYKYPEOY5BOGJBIHJHCOOYZ \
  | 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: 61615c2b0f23b1d0b8c90a0e9389cec64c4f9a4b320a717439e5ee7d47ae9e72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31a9d1bb6a47ebb81085260143d3b66c087900ba51d4e71df41ff15947cea031",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-26T12:08:24Z",
    "title_canon_sha256": "1e0163fc3def0e4539c5f76a76260a9e8ed4fdd891ec3974ea3f8622b48f0944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10310",
    "kind": "arxiv",
    "version": 1
  }
}