Pith Number

pith:2OQOJSJI

pith:2019:2OQOJSJIDGLMITSNEHBGMFFWCY

not attested not anchored not stored refs pending

Herschel spectroscopy of Massive Young Stellar Objects in the Magellanic Clouds

B. Sargent, C.-H.R. Chen, D. Cormier, J.M. Oliveira (Keele University), J.Th. van Loon, L.R. Carlson, M.D. Filipovic, M. Meixner, M. Sewilo, M.-Y. Lee, R. Indebetouw, S. Madden, V. Lebouteiller, Y. Fukui

arxiv:1910.01980 v2 · 2019-10-04 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OQOJSJIDGLMITSNEHBGMFFWCY}

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	2026-07-05T00:14:54.878052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a0e4c9281996c44e4d21c26614b616117fa2fa9e87fd428e891b99fa776bce

Aliases

arxiv: 1910.01980 · arxiv_version: 1910.01980v2 · doi: 10.48550/arxiv.1910.01980 · pith_short_12: 2OQOJSJIDGLM · pith_short_16: 2OQOJSJIDGLMITSN · pith_short_8: 2OQOJSJI

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/2OQOJSJIDGLMITSNEHBGMFFWCY \
  | 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: d3a0e4c9281996c44e4d21c26614b616117fa2fa9e87fd428e891b99fa776bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81e9b950ed47d21b36bbb1698132e0afac9a3eec863e9da4a614413ad7febfd1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-10-04T14:47:47Z",
    "title_canon_sha256": "f2d90f88d4ae1475ba8153bcf0d3600777074ca3e2e3978dd25392eba31f6147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01980",
    "kind": "arxiv",
    "version": 2
  }
}