Pith Number

pith:C4757XFQ

pith:2010:C4757XFQX7TSDPTFU6ATWH3XUQ

not attested not anchored not stored refs pending

Spitzer reveals what's behind Orion's Bar

C. R. O'Dell, Gary J. Ferland, Ian A. McNabb, Janet P. Simpson, Robert H. Rubin, Scott Y. Zhuge, Sean W. J. Colgan, Sergio A. Hidalgo

arxiv:1008.2736 v1 · 2010-08-16 · 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{C4757XFQX7TSDPTFU6ATWH3XUQ}

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	2026-05-18T02:05:47.855044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173fdfdcb0bfe721be65a7813b1f77a42bbfc13c2ffa34195da3c8d3bdbacc47

Aliases

arxiv: 1008.2736 · arxiv_version: 1008.2736v1 · doi: 10.48550/arxiv.1008.2736 · pith_short_12: C4757XFQX7TS · pith_short_16: C4757XFQX7TSDPTF · pith_short_8: C4757XFQ

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/C4757XFQX7TSDPTFU6ATWH3XUQ \
  | 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: 173fdfdcb0bfe721be65a7813b1f77a42bbfc13c2ffa34195da3c8d3bdbacc47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "588262f991c19499ad7a7ece6c56de25a20b6febb5b59de5273c6e27400bc551",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-16T18:53:05Z",
    "title_canon_sha256": "6e99276d20a5db5ec9aedb740ef0db7ad2f454f5f7b80a5ec3fb6f946b86d328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2736",
    "kind": "arxiv",
    "version": 1
  }
}