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 - SMMSED Award a ₱1.4M contract to E.M. ANGELES ENTERPRISESNational agencies
Transaction hash:
7a79d8d72b779cc2a7cd7daa2ed079001c8c2f99976be409d9c691f609a4878b
Status:
Included and unchanged
Block:
#830 5,183 blocks after it
Position in block:
Transaction 88 of 172
Award day:
Mar 24, 2010 (16 yrs 7 mo ago)
Value:
₱1,430,117.29
Project:
Asphalt Overlay (Repair/Rehabilitation) along Zapote-Alabang Road Monark Subdivision towards Reymarville Subdivision
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 #830 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 - SMMSED awarded it to E.M. ANGELES ENTERPRISES on 2010-03-24.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 7a79d8d72b…a4878bnow …
- 2. Block Merkle root changedstored ee6429d9f3…734456now …
- 3. Block #830 hash changedstored e8e8df0de9…ed4ab8now …
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 171 records. Each step hashes the current value together with the sibling shown.
- leaf 7a79d8d72b779cc2a7cd7daa2ed079001c8c2f99976be409d9c691f609a4878b
- 01 R 7b6f4d6703f43a8d1b076c863e186302eb9a8118cb08afb07b94b144b5dd85a1
- 02 R 36d513d1ea5739d662d45dca6b3c413e302b15ede6b1e2fa12a1c7f3170dba26
- 03 R 561f2a951841eb0fa51890424316bfc8ebd3fc7748b9fc66fb518aeae9b6a8d0
- 04 L f75c693937cbe0f6c1461ad238c6eb8b22a178a616f407e46193c132a12638d3
- 05 L 8ad34fa64f47db424cc8bce234b197d77a87495dd4de855278136e9a5edb931c
- 06 R e6bdd1ba0b2c139d311bb3bcebd2d083fab482f2edca82aaa9101c61c4c28387
- 07 L a369802ed0a948529901ff464cf85101e4a5596a004ddf3d62b503cb8cabbaf6
- 08 R a12927b1fe297a4c89ee311113b6707390ccaa2dd34ba4b877d2e95d642d3c8b
- root ee6429d9f34067e1dddbad430b8c7d4f82197e388340a7ef8fd0b4395d734456