Pith Number

pith:VKKLLF46

pith:2000:VKKLLF46QQ7MK4OKEILR4YQ5G6

not attested not anchored not stored refs pending

Chemistry in the Envelopes around Massive Young Stars

Ewine F. van Dishoeck, Floris F.S. van der Tak

arxiv:astro-ph/0002098 v1 · 2000-02-04 · 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{VKKLLF46QQ7MK4OKEILR4YQ5G6}

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	2026-07-04T14:10:09.682976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa94b5979e843ec571ca22171e621d37aad669ab7bb54568a5fcc7c103aae6f6

Aliases

arxiv: astro-ph/0002098 · arxiv_version: astro-ph/0002098v1 · doi: 10.48550/arxiv.astro-ph/0002098 · pith_short_12: VKKLLF46QQ7M · pith_short_16: VKKLLF46QQ7MK4OK · pith_short_8: VKKLLF46

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/VKKLLF46QQ7MK4OKEILR4YQ5G6 \
  | 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: aa94b5979e843ec571ca22171e621d37aad669ab7bb54568a5fcc7c103aae6f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "157bcf207c82d46437dde75235f29867631bbb77092fd110f4e7a3dcf9f71ac4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-04T14:39:49Z",
    "title_canon_sha256": "f61a97381de25b6ad31421b4fceed72f4fdb236d127171a0a1dd32cbf88d0b85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002098",
    "kind": "arxiv",
    "version": 1
  }
}