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 PUBLIC WORKS AND HIGHWAYS - N. SAMAR 1ST DEO Award a ₱10.6M contract to R.C. TAGALA CONSTRUCTIONNational agencies
Transaction hash:
87a682d6955df1dcdab324a3afff706235c249bf228f6d492fc38cc2d6aad9ca
Status:
Included and unchanged
Block:
#2,692 3,321 blocks after it
Position in block:
Transaction 284 of 558
Award day:
Mar 17, 2016 (10 yrs 7 mo ago)
Value:
₱10,624,127.29
Project:
15IH0115
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 #2,692 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 PUBLIC WORKS AND HIGHWAYS - N. SAMAR 1ST DEO awarded it to R.C. TAGALA CONSTRUCTION on 2016-03-17.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 87a682d695…aad9canow …
- 2. Block Merkle root changedstored 9caf7fe5ee…7f7042now …
- 3. Block #2692 hash changedstored e46559f102…d95fdfnow …
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 557 records. Each step hashes the current value together with the sibling shown.
- leaf 87a682d6955df1dcdab324a3afff706235c249bf228f6d492fc38cc2d6aad9ca
- 01 R 87ac64807811238b085de22aa720e2fde976493600ee7d6f4a6465b5495ee4a1
- 02 R 08ad926d6c3e97c0f3388cc719564860b1486f24a4f882340fedf597f881bd1c
- 03 L 18fa2da57deda49b1f962d0fd6001a779566e32ddafffe51a3750c228f1eaffe
- 04 L c63e0dce58985e0d6e04fcad6aa77fc1d8c09a75cfdbe9ca21f0412ae90a41de
- 05 L 7c39a7727d0d3f1a5ce8a8a0277207c4c40bf02a852077bc8e03e6ccd52c3789
- 06 R 92760815967389a970f603ec18f823cbe265ad70d61f3cbad2565005e68c5daa
- 07 R 658b2ea50e004e46b0c86b65c99836b80cc63605ffcf05f76908a59eb507e55e
- 08 R e93ec44bc0e25d58f9f8d8a0899c831ec8f1668728bc12aac0c08de496e4ba11
- 09 L c9efba23337b0f1501ae1d0e5ceba7e5b05ce71c4bf92969801108508d1f81be
- 10 R b8a16e1d69d24af0fcb370040a4d4008b4dd9173fe12ba5f5e997d099c829857
- root 9caf7fe5ee60dcebab668e82014afa5fb03e480160c5006b96f7a0a40f7f7042