Pith Number

pith:6CRPRBVO

pith:2019:6CRPRBVO37B2OGQNK2BTKSLCPD

not attested not anchored not stored refs pending

The NOAO Mid-Scale Observatories

Abhijit Saha, Adam Bolton, Arjun Dey, Cesar Briceno, Jayadev Rajagopal, Jay Elias, Lori Allen, Steve Heathcote, Tim Abbott, Verne Smith

arxiv:1907.10680 v1 · 2019-07-24 · astro-ph.IM · astro-ph.GA · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CRPRBVO37B2OGQNK2BTKSLCPD}

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	2026-05-17T23:39:34.795407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a2f886aedfc3a71a0d568335496278f7added55d670f063f24460f50224515

Aliases

arxiv: 1907.10680 · arxiv_version: 1907.10680v1 · doi: 10.48550/arxiv.1907.10680 · pith_short_12: 6CRPRBVO37B2 · pith_short_16: 6CRPRBVO37B2OGQN · pith_short_8: 6CRPRBVO

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/6CRPRBVO37B2OGQNK2BTKSLCPD \
  | 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: f0a2f886aedfc3a71a0d568335496278f7added55d670f063f24460f50224515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e9b52a51954159ee605eb501612b9e20d8a101bbb9a36ec4930c072d6dff73",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-24T19:26:54Z",
    "title_canon_sha256": "1c2e448b6095608b29d77db4151499660189da389ed16292e726ff006e21afa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10680",
    "kind": "arxiv",
    "version": 1
  }
}