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
DEPARTMENT OF EDUCATION - DIVISION OF SURIGAO DEL NORTE Award a ₱5.2M contract to WINDFALL CONSTRUCTIONNational agencies
Transaction hash:
306d5388553845954eb7ebbd9bcb810ed5ebbc68f0029e17331d7f5a0d1833ab
Status:
Included and unchanged
Block:
#4,496 1,517 blocks after it
Position in block:
Transaction 31 of 207
Award day:
Jul 1, 2021 (5 yrs 4 mo ago)
Value:
₱5,235,000.00
Project:
Repair/Rehabilitation of School Buildings
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 #4,496 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)DEPARTMENT OF EDUCATION - DIVISION OF SURIGAO DEL NORTE awarded it to WINDFALL CONSTRUCTION on 2021-07-01.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 306d538855…1833abnow …
- 2. Block Merkle root changedstored 7b85a53aa0…6747e6now …
- 3. Block #4496 hash changedstored 671cbc8f8d…212abfnow …
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 206 records. Each step hashes the current value together with the sibling shown.
- leaf 306d5388553845954eb7ebbd9bcb810ed5ebbc68f0029e17331d7f5a0d1833ab
- 01 L 302cca2ac865ac337749d958c778cae0b421427155a1e58af15d7b8b74284a44
- 02 L 59d5d33ab97788c5859ef64cb01fc9dd281507be42914ac264cfec6efbf593f9
- 03 L ffb7810c2f2fb5d5d381e8f7df679d972b3bd544a94e78eca494cbd4415ed0b1
- 04 L e89b7863fe8d9b63b5038130aba631033563f51f18ae2c1e692c43a04a9ec8fa
- 05 L de6bf4c284ce69bad76a182d419a96d81459404e578f5cadf87a5caeeb80ef6d
- 06 R 9fd12b8b5857d79acdc64731d422e3b0c83835028fadaddb799bcdddfd8551c6
- 07 R ef7c869111a89f1cd186967773cfc3dd6b5ae761e29aed36dad6a9fff1623809
- 08 R b72ea07df34b172819172c0790fea1eb39768d97af1432ce019fc5fdd399d4c1
- root 7b85a53aa0f9fa56dc4d9d632f3036c8d4569addc98f6451deb3f094bd6747e6