Pith Number

pith:4YPJM3JA

pith:2012:4YPJM3JABIL4R263AX3YBXFTMY

not attested not anchored not stored refs pending

Multi-Epoch Observations of the Redwing Excess in the Spectrum of 3C279

Brian Punsly

arxiv:1211.2619 v1 · 2012-11-12 · 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{4YPJM3JABIL4R263AX3YBXFTMY}

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	2026-05-18T01:53:16.767431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61e966d200a17c8ebdb05f780dcb36624134fd67d3f4a493b231df60f63b905

Aliases

arxiv: 1211.2619 · arxiv_version: 1211.2619v1 · doi: 10.48550/arxiv.1211.2619 · pith_short_12: 4YPJM3JABIL4 · pith_short_16: 4YPJM3JABIL4R263 · pith_short_8: 4YPJM3JA

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/4YPJM3JABIL4R263AX3YBXFTMY \
  | 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: e61e966d200a17c8ebdb05f780dcb36624134fd67d3f4a493b231df60f63b905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73d72b5e27dfe9bdd0535b5ea08d695240d635f7ebbf2503eca54c702509133a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-12T14:00:42Z",
    "title_canon_sha256": "edaf5659bc9ab48f5befab675157765d351fd73f3dd72a49d306cc3fa048bdb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2619",
    "kind": "arxiv",
    "version": 1
  }
}