Pith Number

pith:BMZOSKU2

pith:2009:BMZOSKU2456MFN2WXVPU276U73

not attested not anchored not stored refs pending

Are There Phases in the ISM?

Enrique Vazquez-Semadeni (CRyA, UNAM)

arxiv:0902.0820 v1 · 2009-02-04 · 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{BMZOSKU2456MFN2WXVPU276U73}

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	2026-07-04T15:37:24.300991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b32e92a9ae77cc2b756bd5f4d7fd4fee812af1497f2da0bed3905ff61e877f5

Aliases

arxiv: 0902.0820 · arxiv_version: 0902.0820v1 · doi: 10.48550/arxiv.0902.0820 · pith_short_12: BMZOSKU2456M · pith_short_16: BMZOSKU2456MFN2W · pith_short_8: BMZOSKU2

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/BMZOSKU2456MFN2WXVPU276U73 \
  | 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: 0b32e92a9ae77cc2b756bd5f4d7fd4fee812af1497f2da0bed3905ff61e877f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e295116e67b01abac41a6caab780783443a1dc1975f863759d8b0874a1364e3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-04T23:47:54Z",
    "title_canon_sha256": "04a74f5f755cc7dd1daabf55ba5fc0ea1d8685771fe7ebd31b14a36267e2a3bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0820",
    "kind": "arxiv",
    "version": 1
  }
}