Pith Number

pith:B5ANMVXC

pith:2005:B5ANMVXC7NHY3GDAVXLK74GUUO

not attested not anchored not stored refs pending

Star formation in Perseus

C. J. Chandler, C. J. Qualtrough, E. F. Ladd, G. A. Fuller, J. Hatchell, J. S. Richer

arxiv:astro-ph/0505444 v2 · 2005-05-20 · 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{B5ANMVXC7NHY3GDAVXLK74GUUO}

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.

Cited by

1 paper in Pith

Accretion across scales: streamers, surface-layer transport, and rapid replenishment in young protoplanetary discs

Receipt and verification

First computed	2026-07-04T14:14:10.683267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f40d656e2fb4f8d9860add6aff0d4a398ecd24ca34671bff6c84109b924a5f2

Aliases

arxiv: astro-ph/0505444 · arxiv_version: astro-ph/0505444v2 · doi: 10.48550/arxiv.astro-ph/0505444 · pith_short_12: B5ANMVXC7NHY · pith_short_16: B5ANMVXC7NHY3GDA · pith_short_8: B5ANMVXC

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/B5ANMVXC7NHY3GDAVXLK74GUUO \
  | 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: 0f40d656e2fb4f8d9860add6aff0d4a398ecd24ca34671bff6c84109b924a5f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cbdf0b353b274dfbd6025699d55519149104ada8cd63d5639f6ea4a1fdc68b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-20T15:12:03Z",
    "title_canon_sha256": "185518edeb2d875521eac867777c2aea7bec953d944f3ea08816b24a81c84e91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505444",
    "kind": "arxiv",
    "version": 2
  }
}