Pith Number

pith:HAQULYSX

pith:2009:HAQULYSX4I6VCMOFBCTBFVK7IP

not attested not anchored not stored refs pending

The chemistry of interstellar molecules containing the halogen elements

David A. Neufeld (JHU), Mark G. Wolfire (UMd)

arxiv:0910.1927 v1 · 2009-10-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HAQULYSX4I6VCMOFBCTBFVK7IP}

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	2026-05-18T02:34:19.299857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

382145e257e23d5131c508a612d55f43d5cecace8f445c446cf1e1dccfa112b9

Aliases

arxiv: 0910.1927 · arxiv_version: 0910.1927v1 · doi: 10.48550/arxiv.0910.1927 · pith_short_12: HAQULYSX4I6V · pith_short_16: HAQULYSX4I6VCMOF · pith_short_8: HAQULYSX

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/HAQULYSX4I6VCMOFBCTBFVK7IP \
  | 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: 382145e257e23d5131c508a612d55f43d5cecace8f445c446cf1e1dccfa112b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb30ab70bb6d84b862fa806bed8409ec3ba02a7d259e58cf69c86ace9e99928a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-10T15:37:18Z",
    "title_canon_sha256": "37d807ba4849f93f391f0b48c16d9a768074959074090f7a1a8119001a5799c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1927",
    "kind": "arxiv",
    "version": 1
  }
}