Pith Number

pith:IDAUTGRD

pith:2001:IDAUTGRDJGYCOZAFTH6YJTQGHL

not attested not anchored not stored refs pending

Detection of Infall Signatures Towards Serpens SMM4

C. K. Walker, G. Moriarty-Schieven, G. Narayanan, H. M. Butner

arxiv:astro-ph/0109442 v1 · 2001-09-25 · 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{IDAUTGRDJGYCOZAFTH6YJTQGHL}

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	2026-07-04T16:24:10.584186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c1499a2349b027640599fd84ce063ad3686e3a2e6a705a7a0312abdead0bbe

Aliases

arxiv: astro-ph/0109442 · arxiv_version: astro-ph/0109442v1 · doi: 10.48550/arxiv.astro-ph/0109442 · pith_short_12: IDAUTGRDJGYC · pith_short_16: IDAUTGRDJGYCOZAF · pith_short_8: IDAUTGRD

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/IDAUTGRDJGYCOZAFTH6YJTQGHL \
  | 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: 40c1499a2349b027640599fd84ce063ad3686e3a2e6a705a7a0312abdead0bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "613b6ddca4ca7b67a5e61301bd43f9885e0de6e5d2b8a3c7474daacec1d26244",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-25T14:22:22Z",
    "title_canon_sha256": "8bfddb8a8b1f6c4f8303a39decb04a9c679d302a2e140f7578d2c5dc35620d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109442",
    "kind": "arxiv",
    "version": 1
  }
}