Pith Number

pith:DQ5DCCWM

pith:2016:DQ5DCCWMF7W5WAEUJS54BOYR7U

not attested not anchored not stored refs pending

Training telescope operators and support astronomers at Paranal

Andres Pino, Dimitri A. Gadotti, Henri M. J. Boffin, Joe Anderson, Julien H. V. Girard, Willem-Jan de Wit

arxiv:1607.07227 v1 · 2016-07-25 · astro-ph.IM · physics.ed-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{DQ5DCCWMF7W5WAEUJS54BOYR7U}

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	2026-05-18T00:52:39.180353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3a310acc2feddb00944cbbc0bb11fd0fdc529cabfbecfa956b5ebf2c48f0fc

Aliases

arxiv: 1607.07227 · arxiv_version: 1607.07227v1 · doi: 10.48550/arxiv.1607.07227 · pith_short_12: DQ5DCCWMF7W5 · pith_short_16: DQ5DCCWMF7W5WAEU · pith_short_8: DQ5DCCWM

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/DQ5DCCWMF7W5WAEUJS54BOYR7U \
  | 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: 1c3a310acc2feddb00944cbbc0bb11fd0fdc529cabfbecfa956b5ebf2c48f0fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f8abd279d5375ecd49237143f3625c99cf8aadc27cef236308ea17757506635",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-25T12:05:49Z",
    "title_canon_sha256": "d3fe5ee15394411a6949719a89f51a0ee1b11ba5ca7c409eab5a59cd4591478a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07227",
    "kind": "arxiv",
    "version": 1
  }
}