Pith Number

pith:UBBRQ6F3

pith:2012:UBBRQ6F3UU37TS3GDIVK5PDRNV

not attested not anchored not stored refs pending

Characterizing Near-Infrared Sky Brightness in the Canadian High Arctic

Anthony Tekatch, Doug L. Welch, Eric Steinbring, James R. Graham, Nicholas M. Law, Roberto Abraham, Suresh Sivanandam, Wayne Ngan

arxiv:1206.6901 v1 · 2012-06-28 · 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{UBBRQ6F3UU37TS3GDIVK5PDRNV}

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	2026-05-18T01:56:36.651067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0431878bba537f9cb661a2aaebc716d61cc2255b1f91ca1791f3713348c3275

Aliases

arxiv: 1206.6901 · arxiv_version: 1206.6901v1 · doi: 10.48550/arxiv.1206.6901 · pith_short_12: UBBRQ6F3UU37 · pith_short_16: UBBRQ6F3UU37TS3G · pith_short_8: UBBRQ6F3

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/UBBRQ6F3UU37TS3GDIVK5PDRNV \
  | 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: a0431878bba537f9cb661a2aaebc716d61cc2255b1f91ca1791f3713348c3275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f45897bea6e5b45ed345c372e973e6df7685a1bb22e3fa7cfb92524e9e882b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-06-28T20:56:19Z",
    "title_canon_sha256": "6d870666915ea30e15d48dbcabbe1593be0db921f38f002a4d7a896726f5f49c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6901",
    "kind": "arxiv",
    "version": 1
  }
}