Pith Number

pith:HM7OGFKI

pith:2021:HM7OGFKI2KRCZ3VAPBHVVMAZHM

not attested not anchored not stored refs pending

Hubble Space Telescope Imaging of Isolated Local Volume Dwarfs GALFA-Dw3 and Dw4

A. C. Seth, A. Karunakaran, B. Mutlu-Pakdil, B. Willman, D. Crnojevi\'c, D. J. Sand, D. P. Stark, D. R. Weisz, E. J. Tollerud, E. Olszewski, E. Toloba, J. D. Simon, J. J. Salzer, J. R. Hargis, J. Strader, K. Spekkens, N. Caldwell, P. Bennet, P. Guhathakurta

arxiv:2101.08270 v1 · 2021-01-20 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HM7OGFKI2KRCZ3VAPBHVVMAZHM}

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	2026-07-05T03:51:26.092568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b3ee31548d2a22ceea0784f5ab0193b045fb0d150b2d8f2e4bad52734c05eb6

Aliases

arxiv: 2101.08270 · arxiv_version: 2101.08270v1 · doi: 10.48550/arxiv.2101.08270 · pith_short_12: HM7OGFKI2KRC · pith_short_16: HM7OGFKI2KRCZ3VA · pith_short_8: HM7OGFKI

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/HM7OGFKI2KRCZ3VAPBHVVMAZHM \
  | 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: 3b3ee31548d2a22ceea0784f5ab0193b045fb0d150b2d8f2e4bad52734c05eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da9ce516e6b9c1f2aa85f78337ee092225ad2ca7f87b23274cad59974d2dbff2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-20T19:00:01Z",
    "title_canon_sha256": "0a33c6cb583849f38338428e92676d5b352586206d6a01f7680de37c5d629c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08270",
    "kind": "arxiv",
    "version": 1
  }
}