Pith Number

pith:2IOHXHHE

pith:2009:2IOHXHHEHYIZL7KKIFPVVPBUKD

not attested not anchored not stored refs pending

Powerful high energy emission of the remarkable BL Lac object S5 0716+714

A. Bulgarelli, A. Cavaliere, A. Ferrari, A. Giuliani, A. Paggi, A.W. Chen, F. D'Ammando, F. Longo, G. Pucella, I. Donnarumma, L. Pacciani, M. Tavani, P. Giommi, S. Colafrancesco, S. Vercellone, V. Vittorini

arxiv:0912.2216 v1 · 2009-12-11 · 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{2IOHXHHEHYIZL7KKIFPVVPBUKD}

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	2026-05-18T02:10:24.502392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d21c7b9ce43e1195fd4a415f5abc3450faa80731df55df02ac72b250255136b8

Aliases

arxiv: 0912.2216 · arxiv_version: 0912.2216v1 · doi: 10.48550/arxiv.0912.2216 · pith_short_12: 2IOHXHHEHYIZ · pith_short_16: 2IOHXHHEHYIZL7KK · pith_short_8: 2IOHXHHE

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/2IOHXHHEHYIZL7KKIFPVVPBUKD \
  | 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: d21c7b9ce43e1195fd4a415f5abc3450faa80731df55df02ac72b250255136b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b91cf3a81885e43fa9f3521ff6cffc67ac9ebd04fa54761c7b0fbae6ade79a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-11T12:36:55Z",
    "title_canon_sha256": "40bff05f2f9d0e4b1abc767b6d8882871c789bc0d5b12b13d169da3611cf2b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2216",
    "kind": "arxiv",
    "version": 1
  }
}