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 MALABON Award a ₱396.1K contract to JAC BUILDERS CORPORATIONCities
Transaction hash:
3799cd616bb5d256c6fb13ccfba02b37f2fcc75cf03d64f651febea013fdeb82
Status:
Included and unchanged
Block:
#3,946 2,067 blocks after it
Position in block:
Transaction 83 of 410
Award day:
Nov 25, 2019 (6 yrs 11 mo ago)
From:
Value:
₱396,103.00
Project:
CONSTRUCTION PROJECT
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 #3,946 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 MALABON awarded it to JAC BUILDERS CORPORATION on 2019-11-25.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 Malabon 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 3799cd616b…fdeb82now …
- 2. Block Merkle root changedstored 3332644e32…3c55e9now …
- 3. Block #3946 hash changedstored 02ef16f2da…83ddf2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 409 records. Each step hashes the current value together with the sibling shown.
- leaf 3799cd616bb5d256c6fb13ccfba02b37f2fcc75cf03d64f651febea013fdeb82
- 01 L 355e5f92e161159a7349c2b00511f58176cd7ff6fd6d6be961fdd6c0bbfff95a
- 02 L 590471f5b197830c791563ffabc8be77e22df06e5d429bbdc59451319dd75a0b
- 03 R 6069a85392ed4b2c014ae7e0c6f25b05b23c93b4b3fca42acc30456cd3b626d3
- 04 R 8208d2da2ea925a5c53fca3a3a31d17b3cb75b46bee23e1863bf52057977c1b7
- 05 L de2f1f5df2abe81ab622ae153bd09b841bd454e15c23479ebb4940232ab110ac
- 06 R ec85cdaa75d8813ac0e960c37b95a6b6c9168ac27d594f8e45ac0880a2ee274a
- 07 L a8c502449e60646cd345d587cbbb7a7c712d7dae31362b0b5cffff9e00a1bc23
- 08 R 3646dc0db25e5c5a16000add4657e7c2a3203d7f2aba459ab326e099eafbbb79
- 09 R dcfe1d5a106ae4c4f40791a0218a3a87182b7397c0392a9afd5dcdf133e8a48e
- root 3332644e3259ae1319004060b1743b7c13c375c4151c94923052ecac003c55e9