Pith Number

pith:KQOMBHV6

pith:1994:KQOMBHV66R3AM46SJ422W5AORP

not attested not anchored not stored refs pending

Evidence for Hco+ Infall toward T Tauri?

Ewine F. van Dishoeck, Geoffrey A. Blake, Huib Jan van Langevelde

arxiv:astro-ph/9402054 v1 · 1994-02-22 · 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{KQOMBHV66R3AM46SJ422W5AORP}

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	2026-07-04T15:56:03.704134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541cc09ebef4760673d24f35ab740e8bfddf14d52a4884689c48b98046fa4f30

Aliases

arxiv: astro-ph/9402054 · arxiv_version: astro-ph/9402054v1 · doi: 10.48550/arxiv.astro-ph/9402054 · pith_short_12: KQOMBHV66R3A · pith_short_16: KQOMBHV66R3AM46S · pith_short_8: KQOMBHV6

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/KQOMBHV66R3AM46SJ422W5AORP \
  | 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: 541cc09ebef4760673d24f35ab740e8bfddf14d52a4884689c48b98046fa4f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caae9860943646cb145e081860f6c63dd9e1477d7c738cd08f097abfcdf47888",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-02-22T11:09:02Z",
    "title_canon_sha256": "14a10ca06abb3c04dc870e41c2453e74dc64ede3bd1ba138a946eb8f6720a9e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9402054",
    "kind": "arxiv",
    "version": 1
  }
}