Pith Number

pith:AV4QNXKN

pith:2012:AV4QNXKNGCTMVCQX2H7BFPPKTR

not attested not anchored not stored refs pending

Data reduction pipeline for the MMT Magellan Infrared Spectrograph

Andrew Szentgyorgyi, Brian McLeod, Daniel Fabricant, Igor Chilingarian, John Roll, Warren Brown

arxiv:1212.3760 v1 · 2012-12-16 · 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{AV4QNXKNGCTMVCQX2H7BFPPKTR}

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	2026-05-18T03:38:22.464567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

057906dd4d30a6ca8a17d1fe12bdea9c7bf03a7f2eea533987bbe4527a13c054

Aliases

arxiv: 1212.3760 · arxiv_version: 1212.3760v1 · doi: 10.48550/arxiv.1212.3760 · pith_short_12: AV4QNXKNGCTM · pith_short_16: AV4QNXKNGCTMVCQX · pith_short_8: AV4QNXKN

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/AV4QNXKNGCTMVCQX2H7BFPPKTR \
  | 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: 057906dd4d30a6ca8a17d1fe12bdea9c7bf03a7f2eea533987bbe4527a13c054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b291ef3733ae3297775203ca550e1bf098783d3d17b072dfdb988ee40549bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-12-16T08:08:40Z",
    "title_canon_sha256": "44e80795c0cb453dd169cb26601f5fd8f63ed33c35389c4bfc509c3ba40ba83b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3760",
    "kind": "arxiv",
    "version": 1
  }
}