Pith Number

pith:DW7I2U5M

pith:2015:DW7I2U5MUY74JVMFXNMFEKWFPI

not attested not anchored not stored refs pending

A Bayesian approach to linear regression in astronomy

INAF-OABO), Mauro Sereno (UNIBO

arxiv:1509.05778 v2 · 2015-09-18 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DW7I2U5MUY74JVMFXNMFEKWFPI}

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	2026-05-18T01:30:42.515736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dbe8d53aca63fc4d585bb58522ac57a0c40928a67244e627071449fbea22b53

Aliases

arxiv: 1509.05778 · arxiv_version: 1509.05778v2 · doi: 10.48550/arxiv.1509.05778 · pith_short_12: DW7I2U5MUY74 · pith_short_16: DW7I2U5MUY74JVMF · pith_short_8: DW7I2U5M

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/DW7I2U5MUY74JVMFXNMFEKWFPI \
  | 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: 1dbe8d53aca63fc4d585bb58522ac57a0c40928a67244e627071449fbea22b53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0495db59163bac2dfadce3f06919d1ffa3d37442490418f6ed8730b0e71e9bd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-18T20:04:35Z",
    "title_canon_sha256": "4e7bac5e1165922b14ea4e6368e753f94eadc80d89ed554f51014356f4f3ff34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05778",
    "kind": "arxiv",
    "version": 2
  }
}