Pith Number

pith:YWWFAKSA

pith:2017:YWWFAKSAIM37VGDNOORULMLI62

not attested not anchored not stored refs pending

[CI], [CII] and CO emission lines as a probe for alpha variations at low and high redshifts

B. Mookerjea, C. Henkel, K.-W. Ng, S. A. Levshakov

arxiv:1707.03760 v1 · 2017-07-12 · astro-ph.GA · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWWFAKSAIM37VGDNOORULMLI62}

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	2026-05-18T00:37:18.069889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ac502a404337fa986d73a345b168f69f6e37cd8aaf7eea88c8b0f48bfe95de

Aliases

arxiv: 1707.03760 · arxiv_version: 1707.03760v1 · doi: 10.48550/arxiv.1707.03760 · pith_short_12: YWWFAKSAIM37 · pith_short_16: YWWFAKSAIM37VGDN · pith_short_8: YWWFAKSA

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/YWWFAKSAIM37VGDNOORULMLI62 \
  | 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: c5ac502a404337fa986d73a345b168f69f6e37cd8aaf7eea88c8b0f48bfe95de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23cd733455a08c51b9bce21c5a4182523578a00b418a992f99c4454c4a14c155",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-12T15:25:05Z",
    "title_canon_sha256": "b0766e89f1b6d715b7b51e9414ce2d84557b1ebfc313dbc854f7836445740a2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03760",
    "kind": "arxiv",
    "version": 1
  }
}