Pith Number

pith:OJSAY77Z

pith:2021:OJSAY77Z3UW74UAOFEVF6JI7WB

not attested not anchored not stored refs pending

Constraining the population of isolated massive stars within the Central Molecular Zone

C. J. Evans, F. Najarro, J. S. Clark, L. R. Patrick, M. E. Lohr

arxiv:2102.08126 v1 · 2021-02-16 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJSAY77Z3UW74UAOFEVF6JI7WB}

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	2026-07-05T02:39:37.793643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72640c7ff9dd2dfe500e292a5f251fb07beed6a4eacbdcfd228989d6a84ef20a

Aliases

arxiv: 2102.08126 · arxiv_version: 2102.08126v1 · doi: 10.48550/arxiv.2102.08126 · pith_short_12: OJSAY77Z3UW7 · pith_short_16: OJSAY77Z3UW74UAO · pith_short_8: OJSAY77Z

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/OJSAY77Z3UW74UAOFEVF6JI7WB \
  | 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: 72640c7ff9dd2dfe500e292a5f251fb07beed6a4eacbdcfd228989d6a84ef20a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7162b1361f11a8235ba41811602718394bfa392f8b63c89cf1a9a79ead644fcb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-16T12:48:08Z",
    "title_canon_sha256": "e96738b98856fa136480e4da98526f1798c6b2a5d256fa343ab14edb9a9d9b62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08126",
    "kind": "arxiv",
    "version": 1
  }
}