Pith Number

pith:OMNCRF5A

pith:1997:OMNCRF5AX5I3NOK4QQL7K624ZI

not attested not anchored not stored refs pending

CMB polarization as a direct test of Inflation

David N. Spergel, Matias Zaldarriaga

arxiv:astro-ph/9705182 v2 · 1997-05-22 · 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{OMNCRF5AX5I3NOK4QQL7K624ZI}

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	2026-05-18T01:07:38.321277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731a2897a0bf51b6b95c8417f57b5cca3644bc765bf8cc2f0c893f0655442ebe

Aliases

arxiv: astro-ph/9705182 · arxiv_version: astro-ph/9705182v2 · doi: 10.48550/arxiv.astro-ph/9705182 · pith_short_12: OMNCRF5AX5I3 · pith_short_16: OMNCRF5AX5I3NOK4 · pith_short_8: OMNCRF5A

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/OMNCRF5AX5I3NOK4QQL7K624ZI \
  | 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: 731a2897a0bf51b6b95c8417f57b5cca3644bc765bf8cc2f0c893f0655442ebe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70dba306f3b706088bbbe68d9e9007c668b1c8c8b9512adb7a345cdfc2849ead",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-05-22T18:24:58Z",
    "title_canon_sha256": "9f2c7ce6f0b73b4948a04c4f5c9835f100dc8495aa1628f2c8796415833b374b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9705182",
    "kind": "arxiv",
    "version": 2
  }
}