Pith Number

pith:MTBBGU37

pith:2014:MTBBGU37CM3QTVU5QT3UBIEC5G

not attested not anchored not stored refs pending

Spitzer UltRa Faint SUrvey Program (SURFS UP) I: An Overview

Anja von der Linden, Anthony H. Gonzalez, Benjamin Cain, Brian C. Lemaux, Dennis Zaritsky, Hendrik Hildebrandt, Joannah Hinz, Kuang-Han Huang, Lori Lubin, Maru\v{s}a Brada\v{c}, Mike Gladders, Nicholas Hall, Russell Ryan, Stefano Casertano, Steve Allen, Tim Schrabback, Tommaso Treu

arxiv:1402.2352 v2 · 2014-02-11 · 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{MTBBGU37CM3QTVU5QT3UBIEC5G}

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	2026-05-18T01:44:45.566040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c213537f133709d69d84f740a082e9a98c87b2cb4f951dcfcc0aae3e150999

Aliases

arxiv: 1402.2352 · arxiv_version: 1402.2352v2 · doi: 10.48550/arxiv.1402.2352 · pith_short_12: MTBBGU37CM3Q · pith_short_16: MTBBGU37CM3QTVU5 · pith_short_8: MTBBGU37

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/MTBBGU37CM3QTVU5QT3UBIEC5G \
  | 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: 64c213537f133709d69d84f740a082e9a98c87b2cb4f951dcfcc0aae3e150999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2618ad3e77d42bac279b4d5b576c9561e8ca0cae1d09363e4037cb6d05b3f94e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-11T02:49:40Z",
    "title_canon_sha256": "750d5c84c3ee399840e24854c6b99bf5aea0142e77960c65c92827c8ac9faf99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2352",
    "kind": "arxiv",
    "version": 2
  }
}