Pith Number

pith:RB7W2SZX

pith:2012:RB7W2SZXWIPNRCMJOZUCMBETAR

not attested not anchored not stored refs pending

First Science Results From SOFIA/FORCAST: Super-Resolution Imaging of the S140 Cluster at 37\micron

E. E. Becklin, George Gull, James M. De Buizer, Joseph D. Adams, Justin Schoenwald, Luke D. Keller, Paul M. Harvey, Terry L. Herter, William Reach, William Vacca

arxiv:1202.4172 v1 · 2012-02-19 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RB7W2SZXWIPNRCMJOZUCMBETAR}

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	2026-05-18T01:58:23.809497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887f6d4b37b21ed889897668260493044643c01ddcb4eedad765fe53de8ee2b8

Aliases

arxiv: 1202.4172 · arxiv_version: 1202.4172v1 · doi: 10.48550/arxiv.1202.4172 · pith_short_12: RB7W2SZXWIPN · pith_short_16: RB7W2SZXWIPNRCMJ · pith_short_8: RB7W2SZX

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/RB7W2SZXWIPNRCMJOZUCMBETAR \
  | 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: 887f6d4b37b21ed889897668260493044643c01ddcb4eedad765fe53de8ee2b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797fd7011967426a51bd2733eeb06e7f917d2ca880c9528a3102d6299e33119d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-19T17:25:38Z",
    "title_canon_sha256": "0e60ec97f304c66c28c0516c16e14d42a96fcb99736635fbc4b8339e78db3069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4172",
    "kind": "arxiv",
    "version": 1
  }
}