Pith Number

pith:NMWRWDI2

pith:2011:NMWRWDI2GHG6K7ZWRLDDEGFIN3

not attested not anchored not stored refs pending

Gamma-ray emission region located in the parsec scale jet of OJ287

Alan P. Marscher, Anne Lahteenmaki, Clemens Thum, Helmut Wiesemeyer, Ivan Agudo, Jochen Heidt, Jose L. Gomez, Mark Gurwell, Paul S. Smith, Svetlana G. Jorstad, Valeri M. Larionov

arxiv:1108.0925 v1 · 2011-08-03 · 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{NMWRWDI2GHG6K7ZWRLDDEGFIN3}

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	2026-05-18T02:01:03.356326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2d1b0d1a31cde57f368ac63218a86ee0bb5a837de7b0a6be96d1cf58eb0b93

Aliases

arxiv: 1108.0925 · arxiv_version: 1108.0925v1 · doi: 10.48550/arxiv.1108.0925 · pith_short_12: NMWRWDI2GHG6 · pith_short_16: NMWRWDI2GHG6K7ZW · pith_short_8: NMWRWDI2

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/NMWRWDI2GHG6K7ZWRLDDEGFIN3 \
  | 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: 6b2d1b0d1a31cde57f368ac63218a86ee0bb5a837de7b0a6be96d1cf58eb0b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4a86aee57d3c4f25d2a80b400a8e58dcd0389099e6523a90caf8508b4c61113",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-03T14:35:31Z",
    "title_canon_sha256": "7f6637d7305723a68cc3ba76317d018c122e84eb7d192d9bbe1b0ee904151d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0925",
    "kind": "arxiv",
    "version": 1
  }
}