Pith Number

pith:OTGVT62C

pith:2000:OTGVT62CQSVCVKBJCJVJZHC6AW

not attested not anchored not stored refs pending

The initial conditions of isolated star formation: IV - C18O observations and modelling of the pre-stellar core L1689B

D. Ward-Thompson, N. E. Jessop

arxiv:astro-ph/0012095 v1 · 2000-12-05 · 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{OTGVT62CQSVCVKBJCJVJZHC6AW}

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	2026-05-18T01:40:45.205517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74cd59fb4284aa2aa829126a9c9c5e05a4f9552443726c4106cfffc2332b47d8

Aliases

arxiv: astro-ph/0012095 · arxiv_version: astro-ph/0012095v1 · doi: 10.48550/arxiv.astro-ph/0012095 · pith_short_12: OTGVT62CQSVC · pith_short_16: OTGVT62CQSVCVKBJ · pith_short_8: OTGVT62C

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/OTGVT62CQSVCVKBJCJVJZHC6AW \
  | 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: 74cd59fb4284aa2aa829126a9c9c5e05a4f9552443726c4106cfffc2332b47d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2bea7a192ad7da4bf1f3b65c6c4bc1c8e6902d3b17beea38921894c90994e2c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-05T10:02:11Z",
    "title_canon_sha256": "a7352f4ec0359070d47f6d9fdd611f826db4d62f5645eb7c369f878849e2597d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012095",
    "kind": "arxiv",
    "version": 1
  }
}