Pith Number

pith:XYLZLJAW

pith:2018:XYLZLJAWK4TOT3C6PLWCUWCUS7

not attested not anchored not stored refs pending

Histogram of oriented gradients: a technique for the study of molecular cloud formation

A. Goodman, F. Bigiel, H. Beuther, J.C. Mottram, J. D. Soler, J. Kainulainen, J. Ott, J.S. Urquhart, K.M. Menten, L.D. Anderson, M. Heyer, M. Rugel, N.M. McClure-Griffiths, N. Roy, P.C. Clark, P.F. Goldsmith, P. Hennebelle, P. Schilke, R.J. Smith, R.S. Klessen, S.C.O. Glover, S.E. Ragan, S.N. Longmore, Th. Henning, Y. Wang

arxiv:1809.08338 v2 · 2018-09-21 · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYLZLJAWK4TOT3C6PLWCUWCUS7}

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	2026-05-17T23:53:26.691776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be1795a4165726e9ec5e7aec2a585497cd65b7f63f56d1e3cf55c30ff8d86986

Aliases

arxiv: 1809.08338 · arxiv_version: 1809.08338v2 · doi: 10.48550/arxiv.1809.08338 · pith_short_12: XYLZLJAWK4TO · pith_short_16: XYLZLJAWK4TOT3C6 · pith_short_8: XYLZLJAW

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/XYLZLJAWK4TOT3C6PLWCUWCUS7 \
  | 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: be1795a4165726e9ec5e7aec2a585497cd65b7f63f56d1e3cf55c30ff8d86986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19fcf67ec8d5cf3cc21fcdf757480aed663803309a217c3c5a458a00ced06e56",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-21T23:05:53Z",
    "title_canon_sha256": "5f0b3b272f499d4044b48e435d124ac2e624e9cd0d7b8a2467b3cea16a5b9100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08338",
    "kind": "arxiv",
    "version": 2
  }
}