Pith Number

pith:MB7VLCIG

pith:2012:MB7VLCIGLEZ2B2ZEDIS5DSSULI

not attested not anchored not stored refs pending

The Thomson Surface. II. Polarization

C. E. DeForest, S. J. Tappin, T. A. Howard

arxiv:1207.5894 v2 · 2012-07-25 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MB7VLCIGLEZ2B2ZEDIS5DSSULI}

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	2026-05-18T01:56:07.964648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

607f5589065933a0eb241a25d1ca545a3d13acf11698a92889d58e826ba5a4ac

Aliases

arxiv: 1207.5894 · arxiv_version: 1207.5894v2 · doi: 10.48550/arxiv.1207.5894 · pith_short_12: MB7VLCIGLEZ2 · pith_short_16: MB7VLCIGLEZ2B2ZE · pith_short_8: MB7VLCIG

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/MB7VLCIGLEZ2B2ZEDIS5DSSULI \
  | 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: 607f5589065933a0eb241a25d1ca545a3d13acf11698a92889d58e826ba5a4ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a95316f89ff67a84cf339117fa3bce6f76c3e4bd19e9844a47ed360ff3956ad",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-25T05:58:22Z",
    "title_canon_sha256": "b2f3a71a897b88d49774b3053571288b62ab81c30e3b43cd26d95f52decb39ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5894",
    "kind": "arxiv",
    "version": 2
  }
}