Pith Number

pith:SIGGPGTN

pith:2018:SIGGPGTNVJLDAZMW2C4U6OWZAT

not attested not anchored not stored refs pending

Tracing magnetic field morphology using the Velocity Gradient Technique in the presence of CO self-absorption

Alex Lazarian, Cheng-Han Hsieh, I-Ta Hsieh, Ka Ho Yuen, Ka Wai Ho, Sheng-Yuan Liu, Shih-Ping Lai, Yue Hu

arxiv:1809.09806 v2 · 2018-09-26 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIGGPGTNVJLDAZMW2C4U6OWZAT}

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	2026-05-17T23:52:27.136892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920c679a6daa56306596d0b94f3ad904d20be6794c13ed6dcc800ba2a2b77cd3

Aliases

arxiv: 1809.09806 · arxiv_version: 1809.09806v2 · doi: 10.48550/arxiv.1809.09806 · pith_short_12: SIGGPGTNVJLD · pith_short_16: SIGGPGTNVJLDAZMW · pith_short_8: SIGGPGTN

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/SIGGPGTNVJLDAZMW2C4U6OWZAT \
  | 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: 920c679a6daa56306596d0b94f3ad904d20be6794c13ed6dcc800ba2a2b77cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56dd605bc27dd2a651ed0dc186ef5ca89753bc76f4545237d6e909c83ec8d7fa",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-26T04:45:14Z",
    "title_canon_sha256": "99d99e9abac6708015a1099a603c608c2cf05d39c15b1d13fd2893aa2880acf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09806",
    "kind": "arxiv",
    "version": 2
  }
}