Pith Number

pith:IU4RPJVA

pith:2012:IU4RPJVAPRGE2D2WDKYCHQNXZ5

not attested not anchored not stored refs pending

Early Science with SOFIA, the Stratospheric Observatory for Infrared Astronomy

A. Krabbe, A. W. Meyer, B.-G. Andersson, C. D. Howard, D. A. Harper, D. Backman, E. C. Smith, E. E. Becklin, E. F. Erickson, E. T. Young, E. W. Dunham, G. Sandell, H.-P. Roeser, H. Zinnecker, I. S. McLean, J. A. Davidson, J. E. Vaillancourt, J. M. De Buizer, J. Rho, J. W. Miles, J. Wolf, L. A. Helton, L. J. Caroff, M. Burgdorf, M. J. Richter, M. L. Savage, M. R. Morris, P. M. Harvey, P. M. Marcum, P. Temi, R. D. Gehrz, R. G\"usten, R. Klein, R. Sankrit, R. Y. Shuping, S. C. Casey, S. D. Horner, T. L. Herter, T. L. Roellig, W. D. Vacca, W. T. Reach

arxiv:1205.0791 v1 · 2012-05-03 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IU4RPJVAPRGE2D2WDKYCHQNXZ5}

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	2026-05-18T03:56:24.875274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

453917a6a07c4c4d0f561ab023c1b7cf59a399b64998fd7f183679ce5d05c74f

Aliases

arxiv: 1205.0791 · arxiv_version: 1205.0791v1 · doi: 10.48550/arxiv.1205.0791 · pith_short_12: IU4RPJVAPRGE · pith_short_16: IU4RPJVAPRGE2D2W · pith_short_8: IU4RPJVA

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/IU4RPJVAPRGE2D2WDKYCHQNXZ5 \
  | 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: 453917a6a07c4c4d0f561ab023c1b7cf59a399b64998fd7f183679ce5d05c74f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb814e7c1f7f8bfc52cb2e361bcc0b0541c38f5494849ea50ca69945e8e9cbd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-05-03T18:47:47Z",
    "title_canon_sha256": "a00f050d3ac185f2c7d335e94d46ba0cdecad2e07ca77fd7cb83af24f00e70fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0791",
    "kind": "arxiv",
    "version": 1
  }
}