Pith Number

pith:QHBAJM3G

pith:2012:QHBAJM3G7JQLJYSHIBM4TEOXKU

not attested not anchored not stored refs pending

BICEP2 and Keck Array operational overview and status of observations

A. D. Turner, A. G. Vieregg, A. Orlando, B. Burger, B. G. Keating, C. A. Bischoff, C. B. Netterfield, C. D. Dowell, C. D. Sheehy, C. L. Kuo, C. L. Pryke, C. L. Wong, C. Reintsema, D. V. Wiebe, E. Bullock, E. M. Leitch, G. Davis, G. Hilton, G. P. Teply, H. Hui, H. T. Nguyen, J. A. Bonetti, J. A. Brevik, J. E. Ruhl, J. E. Tolan, J. J. Bock, J. M. Kovac, J. P. Filippini, J. P. Kaufman, K. Irwin, K. Thompson, L. Duband, M. Amiri, M. C. Runyan, M. Gordon, M. Halpern, M. Hasselfield, M. Lueker, P. A. R. Ade, P. Wilson, R. O'Brient, R. Schwarz, R. V. Sudiwala, R. W. Aikin, R. W. Ogburn IV, S. A. Kernasovskiy, S. Fliescher, S. J. Benton, S. R. Golwala, S. Richter, T. Montroy, V. V. Hristov, Z. K. Staniszewski

arxiv:1208.0638 v1 · 2012-08-03 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHBAJM3G7JQLJYSHIBM4TEOXKU}

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	2026-05-18T01:55:23.555063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c204b366fa60b4e2474059c991d755159ca5dec506ae00958ce6ce509c1185

Aliases

arxiv: 1208.0638 · arxiv_version: 1208.0638v1 · doi: 10.48550/arxiv.1208.0638 · pith_short_12: QHBAJM3G7JQL · pith_short_16: QHBAJM3G7JQLJYSH · pith_short_8: QHBAJM3G

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/QHBAJM3G7JQLJYSHIBM4TEOXKU \
  | 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: 81c204b366fa60b4e2474059c991d755159ca5dec506ae00958ce6ce509c1185

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ed891539b2e14c6799d555c6d2650a873bab72f427688a9278956dbc2bcf5bf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-08-03T01:15:53Z",
    "title_canon_sha256": "505a795947b0457c2a9fe716fd09917e4357c868d89076c42339df85405a1765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0638",
    "kind": "arxiv",
    "version": 1
  }
}