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
SALITRAN ELEMENTARY SCHOOL Award a ₱60.0K contract to SMARTECH ENGINEERING AND SUPPLYNational agencies
Transaction hash:
ced85f98e907c22c88d0642629480a1a50d5b3bfbae17a6547e603e1ddc2a09b
Status:
Included and unchanged
Block:
#5,920 93 blocks after it
Position in block:
Transaction 366 of 456
Award day:
Jul 28, 2025 (1 yr 3 mo ago)
Value:
₱60,000.00
Project:
Construction of concrete wash hand
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 #5,920 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)SALITRAN ELEMENTARY SCHOOL awarded it to SMARTECH ENGINEERING AND SUPPLY on 2025-07-28.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 ced85f98e9…c2a09bnow …
- 2. Block Merkle root changedstored f7046d0ec3…76af52now …
- 3. Block #5920 hash changedstored 8b2efb1153…baea03now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 455 records. Each step hashes the current value together with the sibling shown.
- leaf ced85f98e907c22c88d0642629480a1a50d5b3bfbae17a6547e603e1ddc2a09b
- 01 R cfc4b7db1c3f66627d13a5b26668369785860596a55e102393ca6f4276ebb3d9
- 02 L af1c529eaa35ae9c109b6a024abb3df3d02aaa4147013961710db831f9e39094
- 03 L 6c27fe8e6db54f9cf785eea571c018da354e8c6227bf3378154014e56c5e03ea
- 04 L c0fd0ed7617054dbf675a9ad3e4fd781a8535635a8fbe386c845c2962a39af79
- 05 R 642ca5679f3ba3a7c9f4ca65370e9b97182934d05c2f42a85992b7a2261314d4
- 06 L aaf0c14a7fb9538053bfd2ee5f82db8f44af8ecd6d998d9a317cbd8a3d650a62
- 07 L 2f90cd4e13a28cc81fa7762d2b6d930cdee45d1b5f467c7c6a7e5cdef415d4c9
- 08 R cb42d846269642e43009435c71fef93b088539d1d5236a02794afdae7a9dbd5a
- 09 L 0556fb147eb72bacc2d4f4dd9575e82f97970c70fd812b9da3ff5a7c07294430
- root f7046d0ec3a612017f56f57d76f230232a3cfdb1b5a9553ad2200cb8da76af52