Pith Number

pith:SPDYOXTB

pith:2008:SPDYOXTBGJ2VPM4PWLF5B3DFLG

not attested not anchored not stored refs pending

Star Formation in Disks: Spiral Arms, Turbulence, and Triggering Mechanisms

Bruce G. Elmegreen (IBM T.J. Watson Research Center)

arxiv:0810.5406 v1 · 2008-10-30 · 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{SPDYOXTBGJ2VPM4PWLF5B3DFLG}

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

2 papers in Pith

From 2D to 3D: Recovering Turbulent Density Dispersions from Noisy Data

Hector Galaxy Survey: Linking the low- and high-mass ends of the initial mass function in star-forming galaxies

Receipt and verification

First computed	2026-05-18T02:15:22.864656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c7875e61327557b38fb2cbd0ec6559ba24984604624d425e12806a3b8b35de

Aliases

arxiv: 0810.5406 · arxiv_version: 0810.5406v1 · doi: 10.48550/arxiv.0810.5406 · pith_short_12: SPDYOXTBGJ2V · pith_short_16: SPDYOXTBGJ2VPM4P · pith_short_8: SPDYOXTB

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/SPDYOXTBGJ2VPM4PWLF5B3DFLG \
  | 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: 93c7875e61327557b38fb2cbd0ec6559ba24984604624d425e12806a3b8b35de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c4411553c5c7738a3c58f6529b63fc864087148ef323d2ba0e9c42839facbe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-30T02:59:19Z",
    "title_canon_sha256": "8fac36214123b8c9af5feeaf62befe3a85be9c948759a0eb331a4a70a12ff6fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5406",
    "kind": "arxiv",
    "version": 1
  }
}