Pith Number

pith:VNGI5SG6

pith:2016:VNGI5SG6VBUDRU2QORN5B47LY3

not attested not anchored not stored refs pending

Version 1 of the Hubble Source Catalog

Bradley C. Whitmore (STScI), Fermi National Accelerator Laboratory), Geoff Wallace (STScI), Lee Quick (STScI), Louis-Gregory Strolger (STScI), Richard L. White (STScI), Ronald A. Downes (STScI), Sahar S. Allam (STScI, S. Michael Fall (STScI), Stefano Casertano (STScI), Stephen H. Lubow (STScI), Tamas Budavari (JHU), Thomas Donaldson (STScI)

arxiv:1602.04861 v1 · 2016-02-15 · 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{VNGI5SG6VBUDRU2QORN5B47LY3}

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	2026-05-18T01:13:55.459581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab4c8ec8dea86838d350745bd0f3ebc6f7f8e47f775b98c02297231d8df5d468

Aliases

arxiv: 1602.04861 · arxiv_version: 1602.04861v1 · doi: 10.48550/arxiv.1602.04861 · pith_short_12: VNGI5SG6VBUD · pith_short_16: VNGI5SG6VBUDRU2Q · pith_short_8: VNGI5SG6

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/VNGI5SG6VBUDRU2QORN5B47LY3 \
  | 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: ab4c8ec8dea86838d350745bd0f3ebc6f7f8e47f775b98c02297231d8df5d468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16d696c8f0c34c1a49f5b31e98ad7baa3c7bbc1d0ff202ee2bc4bade8663f402",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-02-15T23:04:01Z",
    "title_canon_sha256": "69a1b8ee75daae5c41161d8defc4132bc38c1e2ed6f543f9da5db47aab8ef114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04861",
    "kind": "arxiv",
    "version": 1
  }
}