Pith Number

pith:MTGAPQ46

pith:1998:MTGAPQ46OL7GZDSCAN4F3FKEYY

not attested not anchored not stored refs pending

Mid-Infrared Emission from E+A Galaxies in the Coma Cluster

A.C. Quillen, C.W. Engelbracht, G.H. Rieke, M.J. Rieke, N. Caldwell

arxiv:astro-ph/9809218 v2 · 1998-09-16 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTGAPQ46OL7GZDSCAN4F3FKEYY}

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	2026-05-18T01:07:37.063892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64cc07c39e72fe6c8e4203785d9544c6237a0ce5a2e2cae9399c6dfdb53cc3bd

Aliases

arxiv: astro-ph/9809218 · arxiv_version: astro-ph/9809218v2 · doi: 10.48550/arxiv.astro-ph/9809218 · pith_short_12: MTGAPQ46OL7G · pith_short_16: MTGAPQ46OL7GZDSC · pith_short_8: MTGAPQ46

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/MTGAPQ46OL7GZDSCAN4F3FKEYY \
  | 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: 64cc07c39e72fe6c8e4203785d9544c6237a0ce5a2e2cae9399c6dfdb53cc3bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5340bbda7a93283c688c93d1ccaafc52f492efee0f2acb6082f82c80fe1f0359",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-09-16T20:35:34Z",
    "title_canon_sha256": "7c0024df23a7e16f49bd61e969c3400ad7caa0100a6628918a5fcb1b895fc394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9809218",
    "kind": "arxiv",
    "version": 2
  }
}