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
PROVINCE OF BULACAN Award a ₱2.0M contract to GDM POWER ENGINEERINGProvinces
Transaction hash:
eec3eeed14d7ec7123d40773c7eb96cc3719aa804a6798fc07a2075f712dc059
Status:
Included and unchanged
Block:
#3,715 2,298 blocks after it
Position in block:
Transaction 514 of 547
Award day:
Mar 22, 2019 (7 yrs 7 mo ago)
From:
Value:
₱2,012,010.13
Project:
PEO-031919-187
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 #3,715 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)PROVINCE OF BULACAN awarded it to GDM POWER ENGINEERING on 2019-03-22.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 Bulacan 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 eec3eeed14…2dc059now …
- 2. Block Merkle root changedstored d238ddd88e…5b20c0now …
- 3. Block #3715 hash changedstored 53036891aa…0a5c21now …
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 546 records. Each step hashes the current value together with the sibling shown.
- leaf eec3eeed14d7ec7123d40773c7eb96cc3719aa804a6798fc07a2075f712dc059
- 01 R efbb4ea64df6f63d437248e2d6a020f48d2447da5c65769de2a540f03cefcfc8
- 02 L 46cb230627a4748a6f74bc0fc3be9f5d8343495ffc19becbfd8a8b3eb684306a
- 03 R e9c3b8b8dabf258847da465f4ed4015b2ae2626120749f6820c20fdd0d119b23
- 04 R c20c35f7b1077c911b53f08f82ec8bf7f011b5f005c810dc19276ef8052db56d
- 05 R 82fd81e3c4d7952392d044d6eade96fb88bbd21042907a2ec89294644fb22f93
- 06 R fe4d205a49c6fb80758e75ab2e8909cdc831aa0bbc6614fb1bea8ea25ec82a6b
- 07 R 53278b68132b79593082fc2ded04053e5496b6d76dc892a7b36461ce2c993cfc
- 08 R 6d34e3de3bdf42eae069401fba9a44c1d1741d3dbb1c7d2741ed052031742294
- 09 R 32b9a40213e10ceda74041b58c99f2f4a2d9786d36260ccc25c6f2d8d642fc78
- 10 L 8b5077e1df523ff77c6dd32a7ba97462744d86268c1597f92e5761913a5fa4a1
- root d238ddd88e9a4ee4d85933a6a96d3b22b5e8e3f384e5b69491c31b0a535b20c0