Pith Number

pith:SR3JRAVU

pith:1999:SR3JRAVUPCEKMH3PYOVW43IPMH

not attested not anchored not stored refs pending

A New Calculation of the Recombination Epoch

Dimitar D. Sasselov, Douglas Scott, Sara Seager

arxiv:astro-ph/9909275 v2 · 1999-09-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SR3JRAVUPCEKMH3PYOVW43IPMH}

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.

Cited by

5 papers in Pith

Reconstructing dark energy with fewer assumptions

Dark Matter Energy Deposition and Production from the Table-Top to the Cosmos

CMB constraints on ultra-light primordial black holes with extended mass distributions

Comparative Study of Early-Universe Epochs in an $f(R,L_m)$ Gravity Model with Effective Curvature--Matter Interaction and $\Lambda$CDM Cosmology

Dark ages bounds on non-accreting massive compact halo objects

Receipt and verification

First computed	2026-07-04T15:51:15.274796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94769882b47888a61f6fc3ab6e6d0f61f08e8a0db844e476671d0a371f933262

Aliases

arxiv: astro-ph/9909275 · arxiv_version: astro-ph/9909275v2 · doi: 10.48550/arxiv.astro-ph/9909275 · pith_short_12: SR3JRAVUPCEK · pith_short_16: SR3JRAVUPCEKMH3P · pith_short_8: SR3JRAVU

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/SR3JRAVUPCEKMH3PYOVW43IPMH \
  | 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: 94769882b47888a61f6fc3ab6e6d0f61f08e8a0db844e476671d0a371f933262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd64fbb0c616027125b014f68a6ce014dea34d8e0747935a661b2afce8cb1d4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-15T19:28:51Z",
    "title_canon_sha256": "ff6b262a043348ed24e271a4e6fe8a62c85d876b6dcd28190379e7c26d132208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909275",
    "kind": "arxiv",
    "version": 2
  }
}