Pith Number

pith:NTFS6LUS

pith:2020:NTFS6LUSQE7V62RE65FWSP2RM3

not attested not anchored not stored refs pending

Solar observatory Einstein Tower -- Data release of the digitized solar full-disk photographic plate archive

C. Denker, H. Enke, J. Rendtel, M. Verma, Partha S. Pal, S. J. Gonz\'alez Manrique

arxiv:2007.14744 v1 · 2020-07-29 · astro-ph.SR · 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{NTFS6LUSQE7V62RE65FWSP2RM3}

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	2026-07-05T01:40:36.984414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ccb2f2e92813f5f6a24f74b693f5166e413c247d91f7146abafa7cf3e59e9b6

Aliases

arxiv: 2007.14744 · arxiv_version: 2007.14744v1 · doi: 10.48550/arxiv.2007.14744 · pith_short_12: NTFS6LUSQE7V · pith_short_16: NTFS6LUSQE7V62RE · pith_short_8: NTFS6LUS

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/NTFS6LUSQE7V62RE65FWSP2RM3 \
  | 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: 6ccb2f2e92813f5f6a24f74b693f5166e413c247d91f7146abafa7cf3e59e9b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa97b861d1a32828d8fbabf0c5de23c215aa6422d92098bd0d1a05474331e30",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-07-29T11:10:56Z",
    "title_canon_sha256": "a6bcdc91abf4ccc4c0108ecc48b2b1bf785bad86ffb659acc775ba78e3a7b2f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14744",
    "kind": "arxiv",
    "version": 1
  }
}