Pith Number

pith:DT4FIYLG

pith:2013:DT4FIYLGWLDHJP4SEJHLD2KFMW

not attested not anchored not stored refs pending

Photospheric emission throughout GRB 100507 detected by Fermi

(2) Dipartimento di Fisica G. Occhialini, A. Pescalli (2), G. Ghirlanda (1), G. Ghisellini (1) ((1) INAF-Osservatorio Astronomico di Brera, Universita' Milano Bicocca)

arxiv:1305.3287 v1 · 2013-05-14 · 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{DT4FIYLGWLDHJP4SEJHLD2KFMW}

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	2026-05-18T01:49:57.157903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cf8546166b2c674bf92224eb1e94565aa0130a30a90b4aa72a7ec4df5a55d13

Aliases

arxiv: 1305.3287 · arxiv_version: 1305.3287v1 · doi: 10.48550/arxiv.1305.3287 · pith_short_12: DT4FIYLGWLDH · pith_short_16: DT4FIYLGWLDHJP4S · pith_short_8: DT4FIYLG

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/DT4FIYLGWLDHJP4SEJHLD2KFMW \
  | 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: 1cf8546166b2c674bf92224eb1e94565aa0130a30a90b4aa72a7ec4df5a55d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5955de798910d98050d4e5436415f77f25b484de81f33659a35f0e82c5119e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-14T20:16:00Z",
    "title_canon_sha256": "921fa49c53e81daa0986a7edb53ac675cb5f349011c6d32f1d5125cb68300b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3287",
    "kind": "arxiv",
    "version": 1
  }
}