Pith Number

pith:IIGG2NDV

pith:2020:IIGG2NDVPXUM5GITIOFASLZAGB

not attested not anchored not stored refs pending

Interstellar extinction toward symbiotic stars

K. A. Stoyanov, R. K. Zamanov, V. D. Marchev

arxiv:2006.14920 v1 · 2020-06-26 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIGG2NDVPXUM5GITIOFASLZAGB}

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	2026-07-05T01:13:48.033467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420c6d34757de8ce9913438a092f203072b4a022a74e8f7dd7e365e7267d8315

Aliases

arxiv: 2006.14920 · arxiv_version: 2006.14920v1 · doi: 10.48550/arxiv.2006.14920 · pith_short_12: IIGG2NDVPXUM · pith_short_16: IIGG2NDVPXUM5GIT · pith_short_8: IIGG2NDV

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/IIGG2NDVPXUM5GITIOFASLZAGB \
  | 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: 420c6d34757de8ce9913438a092f203072b4a022a74e8f7dd7e365e7267d8315

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "072597dcdf83a5456fcb91f0c143c6a302f55b8f730d2f952a5d259d32dc7007",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-06-26T11:43:47Z",
    "title_canon_sha256": "7c39d527e2816ad05715daee8f9902905c0f0033f0a288289d421a18f73a16aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.14920",
    "kind": "arxiv",
    "version": 1
  }
}