Pith Number

pith:YZKXESP4

pith:2005:YZKXESP4R3DHS7HTI6EBBETXBZ

not attested not anchored not stored refs pending

Hectospec, the MMT's 300 Optical Fiber-Fed Spectrograph

Andrew Szentgyorgyi, Brian McLeod, Daniel Fabricant, Edward Hertz, et al, John Geary, John Roll, Nelson Caldwell, Robert Fata, Thomas Gauron

arxiv:astro-ph/0508554 v1 · 2005-08-25 · astro-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{YZKXESP4R3DHS7HTI6EBBETXBZ}

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.

Cited by

1 paper in Pith

PEARLS: JWST Counterparts of Micro-Jy Radio Sources in the NEP Time Domain Field. II. All Four Spokes

Receipt and verification

First computed	2026-05-18T04:20:13.539632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6557249fc8ec6797cf347881092770e5bcc9457bd291c1a0357fe039d4128b0

Aliases

arxiv: astro-ph/0508554 · arxiv_version: astro-ph/0508554v1 · doi: 10.48550/arxiv.astro-ph/0508554 · pith_short_12: YZKXESP4R3DH · pith_short_16: YZKXESP4R3DHS7HT · pith_short_8: YZKXESP4

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/YZKXESP4R3DHS7HTI6EBBETXBZ \
  | 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: c6557249fc8ec6797cf347881092770e5bcc9457bd291c1a0357fe039d4128b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c780bb2522db7941e7cb693c8d54329679ff7f5781b5b68f4524122bd29156d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-25T19:34:21Z",
    "title_canon_sha256": "0b1a93fc3773077c988684ae4dc3d7e4770a6c04d1d6117957cba260e0aa748a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508554",
    "kind": "arxiv",
    "version": 1
  }
}