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 DAVAO DEL SUR Award a ₱2.0M contract to MAGNUM BUILDERS CORPORATIONProvinces
Transaction hash:
ef7be6e59c7ee69485dbcad450f8402bf50e58990fc2c4eb99f173c4b905a8c1
Status:
Included and unchanged
Block:
#4,229 1,784 blocks after it
Position in block:
Transaction 124 of 135
Award day:
Sep 22, 2020 (6 yrs 1 mo ago)
Value:
₱1,996,339.61
Project:
Construction Projects
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 #4,229 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 DAVAO DEL SUR awarded it to MAGNUM BUILDERS CORPORATION on 2020-09-22.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 Davao del Sur gave a "not stated" 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 ef7be6e59c…05a8c1now …
- 2. Block Merkle root changedstored 4cfce1acc3…fd7f25now …
- 3. Block #4229 hash changedstored 0ba968df8a…cec209now …
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 134 records. Each step hashes the current value together with the sibling shown.
- leaf ef7be6e59c7ee69485dbcad450f8402bf50e58990fc2c4eb99f173c4b905a8c1
- 01 R efcd003bbd158f0a24ac236a3ee4bf63517c4a366fb6b0a9ad5d87c8531f6ba8
- 02 R 998b72619cabc56c05222b278b67c50e19b7647154886778d38e7a1736be50b0
- 03 L 0d0e8f1f433a9d5e24b5c3dd8c7b48c8784b28243c61f9400a92c904232d6bf4
- 04 L 5a8e96c2cdbdf90b5e0a4606a64a1449deff38a40807056edd6493fd260ec971
- 05 L 92e6d4a98654260dc39f06314b0bddf888eeeff09015a28d7f06a4279a896433
- 06 L 8f39ac55094fe3bf3222524428f9d167ec333586d8b5b612d83b2db88f629ac6
- 07 L 3bf7fc34aebc92728f713024a3519fb004c993604da7657d6c23421a5f885507
- 08 R da8705c5da09587c1d6e041817556ffb20c01cb11a576b6302425971e8ebf39c
- root 4cfce1acc3e19babe7419736b130311e4b11f5931ccf8cca3a3d6b9e3dfd7f25