Pith Number

pith:IZFLDEIR

pith:2012:IZFLDEIRBKMZWQP5ULEOKYHWL4

not attested not anchored not stored refs pending

Spatially coupled inversion of spectro-polarimetric image data I: Method and first results

M. van Noort

arxiv:1210.4636 v1 · 2012-10-17 · 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{IZFLDEIRBKMZWQP5ULEOKYHWL4}

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	2026-05-18T01:53:53.770253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

464ab191110a999b41fda2c8e560f65f3b8754f668769cc821fc919aaa4aa26b

Aliases

arxiv: 1210.4636 · arxiv_version: 1210.4636v1 · doi: 10.48550/arxiv.1210.4636 · pith_short_12: IZFLDEIRBKMZ · pith_short_16: IZFLDEIRBKMZWQP5 · pith_short_8: IZFLDEIR

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/IZFLDEIRBKMZWQP5ULEOKYHWL4 \
  | 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: 464ab191110a999b41fda2c8e560f65f3b8754f668769cc821fc919aaa4aa26b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3714e42ae35c2d79067b10ead55247f7d6332be37690f8705c44ae13bb370d5f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-17T06:37:10Z",
    "title_canon_sha256": "b55c1b6d92dc262f160e0abc3fe944c4817354ea2869597f6f1f028f71e5a592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4636",
    "kind": "arxiv",
    "version": 1
  }
}