Pith Number

pith:ELPSSX4L

pith:2009:ELPSSX4L27D2MTVRIZVZERPYNE

not attested not anchored not stored refs pending

MMTF: The Maryland-Magellan Tunable Filter

A. Dressler, B. J. Weiner, C. Birk, C. Pietraszewski, D. Osip, D. S. N. Rupke, J. Bland-Hawthorn, M. McDonald, S. N. Vogel, S. Veilleux, T. Hare

arxiv:0908.1629 v2 · 2009-08-12 · 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{ELPSSX4L27D2MTVRIZVZERPYNE}

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	2026-05-18T02:12:35.215094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22df295f8bd7c7a64eb1466b9245f86925b2c4fe5547171361079db334d96675

Aliases

arxiv: 0908.1629 · arxiv_version: 0908.1629v2 · doi: 10.48550/arxiv.0908.1629 · pith_short_12: ELPSSX4L27D2 · pith_short_16: ELPSSX4L27D2MTVR · pith_short_8: ELPSSX4L

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/ELPSSX4L27D2MTVRIZVZERPYNE \
  | 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: 22df295f8bd7c7a64eb1466b9245f86925b2c4fe5547171361079db334d96675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3560a207802e9998349ebf64c03f078985f4716e1db1970acf1e3d4ba3b479bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-08-12T07:53:07Z",
    "title_canon_sha256": "525994fdc603c6506616f4650eb1af9518e92fc55a74f4f1825dc8a47751eff2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1629",
    "kind": "arxiv",
    "version": 2
  }
}