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 PASIG Award a ₱40.9M contract to CALCON ENGINEERINGCities
Transaction hash:
2d466243d49b73bd4956dfdeccf88806c6280a9d7d8801780bfc71a5575f8f63
Status:
Included and unchanged
Block:
#6,002 11 blocks after it
Position in block:
Transaction 136 of 758
Award day:
Dec 3, 2025 (11 mos ago)
From:
Value:
₱40,870,283.00
Project:
Construction of Cross RCBC Drainage Line
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 #6,002 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 PASIG awarded it to CALCON ENGINEERING on 2025-12-03.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 Pasig 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 2d466243d4…5f8f63now …
- 2. Block Merkle root changedstored 6d67d84e06…4f9de8now …
- 3. Block #6002 hash changedstored a31530c8f6…5638fenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 757 records. Each step hashes the current value together with the sibling shown.
- leaf 2d466243d49b73bd4956dfdeccf88806c6280a9d7d8801780bfc71a5575f8f63
- 01 R 2d5422f2cec9ed3175a1079b4ac3b642b78ad89d6a756f53fcc07edd7ba3235d
- 02 R f01458dca085d5c57ed29f3dbca0cd0d0a5acff3c5d3eaef6f096e403e5ae070
- 03 R 5edc2d29a7b033157ea71e2adf847b0d1c30b053c3ed8f12776bb58fd6bb937e
- 04 L 84fed7c58eeb12b163d9b8361e7f9d902638e488db7e1c3a50279acf8f862155
- 05 R 0f113648b422b971da0653f14b6c3ed36f8c302e01e21262c4fdc5b07f89c1e9
- 06 R dfa21199f6566143f1a6e494d791add1b6f652ebc6dc3286fc5987b840bf5642
- 07 R de918038477778b1998ab991b17b57e867ce026a847e9ebda361955075dd7d62
- 08 L 664b527cecf3e860f17a369b8f91973c8522adf9ec79928d352bc5b7baeb6968
- 09 R 48bcfc603973c4005ec12ce1f98aa503f43f7273db7c2c3fd024dad7a183a8a4
- 10 R 6ca9e68269516d952e451cd49b8fc313d0d9368b5c231b9813427fd0ec2d45d8
- root 6d67d84e0682f1bee8cb254afe7411edcaff8382eacaae0a1cba6730bc4f9de8