Pith Number

pith:JPZO6PVF

pith:2012:JPZO6PVFT2V6WNSATCIWQ3KGFK

not attested not anchored not stored refs pending

New insights into black bodies

F. J. Ballesteros

arxiv:1201.1809 v2 · 2012-01-09 · astro-ph.IM · physics.class-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{JPZO6PVFT2V6WNSATCIWQ3KGFK}

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	2026-05-18T04:02:39.082906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf2ef3ea59eabeb36409891686d462ab4e874b6d2bb08fa6d379c541c08f3dc

Aliases

arxiv: 1201.1809 · arxiv_version: 1201.1809v2 · doi: 10.48550/arxiv.1201.1809 · pith_short_12: JPZO6PVFT2V6 · pith_short_16: JPZO6PVFT2V6WNSA · pith_short_8: JPZO6PVF

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/JPZO6PVFT2V6WNSATCIWQ3KGFK \
  | 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: 4bf2ef3ea59eabeb36409891686d462ab4e874b6d2bb08fa6d379c541c08f3dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf8a7e2f52cf877955bd5d92bafe9fb85e227ce1d7a10ce92fe3953d1e140e0",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-01-09T15:58:10Z",
    "title_canon_sha256": "29cbe66f9764b72beb2d471742b156a2a863ff43ef9678eefab75e0d5f6bd696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1809",
    "kind": "arxiv",
    "version": 2
  }
}