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 MANDALUYONG Award a ₱1.8M contract to CALCON ENGINEERINGCities
Transaction hash:
b99dcf3848232e451aa00c41c48821f0586dd2e52fb5b1834ea6c37f1fab50f9
Status:
Included and unchanged
Block:
#3,883 2,130 blocks after it
Position in block:
Transaction 157 of 215
Award day:
Sep 20, 2019 (7 yrs 1 mo ago)
From:
Value:
₱1,807,000.00
Project:
Demolition
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 #3,883 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 MANDALUYONG awarded it to CALCON ENGINEERING on 2019-09-20.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 Mandaluyong gave a "unmodified" 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 b99dcf3848…ab50f9now …
- 2. Block Merkle root changedstored c1ad915f59…8edd4dnow …
- 3. Block #3883 hash changedstored 18ff03ca96…b87b37now …
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 214 records. Each step hashes the current value together with the sibling shown.
- leaf b99dcf3848232e451aa00c41c48821f0586dd2e52fb5b1834ea6c37f1fab50f9
- 01 L b698cc51d88ed3763eb1976e88d1fbcf579ca6def38d469e602362b49f6deadc
- 02 R 4db502ca289b2a397f250cdbdcd67cbe3f77811ff998dc74a9157b22821d85a5
- 03 L c362a962d2084b4db273d37f3589cfc806c11298ba0b8b3708fbe609af72f9e3
- 04 L d74d5f21cffbc2626074d410cb7e4a64f2acae99056b24cc8b84a6ef4a1b4fab
- 05 L 54a4448256123f8adb4805aa34334050702cea18d5db756558e47ceec3976059
- 06 R 079376084dc9be5c8bcbc04f7518c0468581e378ada944d706c0c7bc64998583
- 07 R 9ab2ef963965d7e5961520b860c810fccb869a5e72324662281925b797587a8b
- 08 L c8451b38543a44dc2c6ddc80817fa45a30b476334c0cf539256dbea69d1b3eb0
- root c1ad915f595250f8e2e564b5b329f4fb6d033580d381f4190f870b908f8edd4d