Pith Number

pith:TIDAJWSX

pith:2004:TIDAJWSX4DCOBBWAXD7JIMWL7W

not attested not anchored not stored refs pending

HE 0047-1756: A new gravitationally lensed double QSO

2), (2) Universitaet Potsdam, (3) Center for Space Research, (4) Dept. of Astronomy, (5) Hamburger Sternwarte), Dieter Reimers (5) ((1) Astrophysikalisches Institut Potsdam, Douglas Richstone (4), Hsiao-Wen Chen (3), Knud Jahnke (1), Lutz Wisotzki (1, M.I.T., Paul L. Schechter (3), Sebastian F. Sanchez (1), University of Michigan

arxiv:astro-ph/0403475 v1 · 2004-03-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIDAJWSX4DCOBBWAXD7JIMWL7W}

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.

Cited by

1 paper in Pith

Taking Inventory of the Most Promising Lensed Radio Sources for Constraining Fundamental Properties of Dark Matter

Receipt and verification

First computed	2026-05-18T01:07:32.662038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a0604da57e0c4e086c0b8fe9432cbfd9e1b00057554e1a0f6b45b1956f56cf2

Aliases

arxiv: astro-ph/0403475 · arxiv_version: astro-ph/0403475v1 · doi: 10.48550/arxiv.astro-ph/0403475 · pith_short_12: TIDAJWSX4DCO · pith_short_16: TIDAJWSX4DCOBBWA · pith_short_8: TIDAJWSX

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/TIDAJWSX4DCOBBWAXD7JIMWL7W \
  | 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: 9a0604da57e0c4e086c0b8fe9432cbfd9e1b00057554e1a0f6b45b1956f56cf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c670d2111621bdcaea1897d297deb2c24d4bf59541aa5da42f63016fdbdb7176",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-19T14:52:35Z",
    "title_canon_sha256": "8069c4ca6dce7b5686c8771760c46859f0060deb16a486fbca0288471a074aa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403475",
    "kind": "arxiv",
    "version": 1
  }
}