Pith Number

pith:TGWXAJ3V

pith:2005:TGWXAJ3VGS2USLNWQYMAKM6CYS

not attested not anchored not stored refs pending

Interstellar deuterated ammonia: From NH3 to ND3

D.C. Lis, E. Roueff, F.F.S. van der Tak, M. Gerin, P.F. Goldsmith

arxiv:astro-ph/0504445 v1 · 2005-04-20 · 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{TGWXAJ3VGS2USLNWQYMAKM6CYS}

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	2026-07-04T16:52:13.783083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99ad70277534b5492db686180533c2c4a8da4ffb16f441c3443bb3edade6f771

Aliases

arxiv: astro-ph/0504445 · arxiv_version: astro-ph/0504445v1 · doi: 10.48550/arxiv.astro-ph/0504445 · pith_short_12: TGWXAJ3VGS2U · pith_short_16: TGWXAJ3VGS2USLNW · pith_short_8: TGWXAJ3V

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/TGWXAJ3VGS2USLNWQYMAKM6CYS \
  | 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: 99ad70277534b5492db686180533c2c4a8da4ffb16f441c3443bb3edade6f771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "865bd98ef665e73f88caacdbe8a680aea827e361eb4a25ebaa5adaf693124db2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-20T16:27:54Z",
    "title_canon_sha256": "c7e32f9a46b5af97f741b56ffccc53843e80441c819e49e60f561a286acc3431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504445",
    "kind": "arxiv",
    "version": 1
  }
}