Pith Number

pith:DASPH25B

pith:2016:DASPH25B3JBMV37ASUQ6IRLSQE

not attested not anchored not stored refs pending

Interstellar-Medium Mapping in M82 Through Light Echoes Around Supernova 2014J

2), (2) PMO, (3) ESO, (4) STSCI, (5) Florida State University, (6) University of Sheffield, (7) Tsinghua University, (8) University of Texas at Austin), Dietrich Baade (3), Ferdinando Patat (3), Heloise F. Stevance (6), Jason Spyromilio (3), J. Craig Wheeler (8) ((1) Texas A, Justyn Maund (6), Lifan Wang (1, Misty Cracraft (4), M University, Peter A. Hoflich (5), Peter J. Brown (1), William B. Sparks (4), Xiaofeng Wang (7), Yi Yang (1)

arxiv:1610.02458 v2 · 2016-10-08 · astro-ph.HE · astro-ph.GA · 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{DASPH25B3JBMV37ASUQ6IRLSQE}

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	2026-05-18T00:53:07.247788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1824f3eba1da42caefe09521e4457281156ea47d41b41749748282d8a2cb8cdc

Aliases

arxiv: 1610.02458 · arxiv_version: 1610.02458v2 · doi: 10.48550/arxiv.1610.02458 · pith_short_12: DASPH25B3JBM · pith_short_16: DASPH25B3JBMV37A · pith_short_8: DASPH25B

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/DASPH25B3JBMV37ASUQ6IRLSQE \
  | 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: 1824f3eba1da42caefe09521e4457281156ea47d41b41749748282d8a2cb8cdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93b2699267428270fec072803130716035d96f0acd8445afa099137e12ad3c7e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-10-08T01:13:37Z",
    "title_canon_sha256": "6a9605e6c3f7eceaf7850a7fa226f47ad67dda66fae5a1ee6d6054ab84867888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02458",
    "kind": "arxiv",
    "version": 2
  }
}