DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF PUERTO PRINCESA, PALAWAN Award a ₱5.4M contract to JOHNSTAR TRADING AND CONSTRUCTIONCities
Transaction hash:
387a0d3bda7f3f0a2bc9f44eaea829853b95bf342550d2d6ccc36d3b1b7f9ffd
Status:
Included and unchanged
Block:
#3,412 2,601 blocks after it
Position in block:
Transaction 40 of 197
Award day:
May 7, 2018 (8 yrs 6 mo ago)
Value:
₱5,440,290.24
Project:
PRDP-IR-R04B-PAL-010-PUE-001-2017 Construction Pr
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,412 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF PUERTO PRINCESA, PALAWAN awarded it to JOHNSTAR TRADING AND CONSTRUCTION on 2018-05-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Puerto Princesa gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 387a0d3bda…7f9ffdnow …
- 2. Block Merkle root changedstored e190f68a04…790d0anow …
- 3. Block #3412 hash changedstored 8cc5d3d074…fa8a70now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 196 records. Each step hashes the current value together with the sibling shown.
- leaf 387a0d3bda7f3f0a2bc9f44eaea829853b95bf342550d2d6ccc36d3b1b7f9ffd
- 01 R 3b10aee1db0d80ca642e6b3fff96c9c4eaf2953361a7617e602339b4aebbb771
- 02 R 463fe06aadb9e3bae44db0323846d5021f1815aceae499e916ad63b51dab99e7
- 03 R 0b7434879cbdc1c3d1975b86caecf2e9e9c950fd04acef2a5e5b2dfe312ad082
- 04 L 872730d686ba1fed5b13d1a3979f7d5e990f05adf23079067ea245bf67ba2177
- 05 R 712ab5c59f863268682abfb141f4022c5f81903427c9a4358901e14ca3beb5fd
- 06 L ac265762f37a5af21db1f449db95379d17632c24d715bc9bf04ac1f1a2b53ea5
- 07 R 70b5d0716f41581b50ebf61ff7d51a174d06121a618fa3395937feb1f68ccb1a
- 08 R ad862997b1987a1d0e667967653e774604bc49a5789f9770f8249697cb52a520
- root e190f68a04d6536314b1ca5852c9cc1c67726280083518e2c3695bc263790d0a