Pith Number

pith:2OMIQDCA

pith:2012:2OMIQDCAASOKRFDDTFDLPBFKDS

not attested not anchored not stored refs pending

Herschel PACS and SPIRE observations of blazar PKS 1510-089: a case for two blazar zones

Anna Szostek, Greg M. Madejski, Katrina Exter, Krzysztof Nalewajko, Marek Sikora, Mark R. Kidger, Rosario Lorente, Ryszard Szczerba

arxiv:1210.4552 v1 · 2012-10-16 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OMIQDCAASOKRFDDTFDLPBFKDS}

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	2026-05-18T01:53:54.028443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d398880c40049ca894639946b784aa1c8d8dc5b3ad08a65ccb75181b0c419743

Aliases

arxiv: 1210.4552 · arxiv_version: 1210.4552v1 · doi: 10.48550/arxiv.1210.4552 · pith_short_12: 2OMIQDCAASOK · pith_short_16: 2OMIQDCAASOKRFDD · pith_short_8: 2OMIQDCA

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/2OMIQDCAASOKRFDDTFDLPBFKDS \
  | 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: d398880c40049ca894639946b784aa1c8d8dc5b3ad08a65ccb75181b0c419743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc6a79f0af8a4fd0873bd8580e8510b3a9894a6cc7438fd107a50a32599bdcc6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-16T20:00:03Z",
    "title_canon_sha256": "edb57a8a6a4e1486011f899f9d63efbb4d806abb3298a7a41e17171a69ffb173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4552",
    "kind": "arxiv",
    "version": 1
  }
}