Pith Number

pith:MM2GMWSM

pith:1996:MM2GMWSMLYOXJFEU7QL2IOREIL

not attested not anchored not stored refs pending

Neutral Hydrogen 21cm Absorption at Redshift 0.673 towards 1504+377

C.L. Carilli (NRAO), Karl M. Menten(SAO), Mark J. Reid (SAO), M.P. Rupen (NRAO)

arxiv:astro-ph/9610073 v1 · 1996-10-10 · 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{MM2GMWSMLYOXJFEU7QL2IOREIL}

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	2026-07-04T16:00:16.299758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6334665a4c5e1d749494fc17a43a2442f1330122ecc25491bdc72cee57644a83

Aliases

arxiv: astro-ph/9610073 · arxiv_version: astro-ph/9610073v1 · doi: 10.48550/arxiv.astro-ph/9610073 · pith_short_12: MM2GMWSMLYOX · pith_short_16: MM2GMWSMLYOXJFEU · pith_short_8: MM2GMWSM

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/MM2GMWSMLYOXJFEU7QL2IOREIL \
  | 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: 6334665a4c5e1d749494fc17a43a2442f1330122ecc25491bdc72cee57644a83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f66495b76d508b3b381c44891fdacb4bf584681a4358b7b51850846d27d15e2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-10T15:30:03Z",
    "title_canon_sha256": "4172e1c6189da67f305358808e88632521466358597de3f9d0ffaff28d47073d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610073",
    "kind": "arxiv",
    "version": 1
  }
}