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 SURIGAO DEL NORTE Award a ₱952.7K contract to ZI 9 BUILDERS AND SUPPLIESProvinces
Transaction hash:
a8af8dfdf3e4a0bc5603cc87ff25aae08cd6ec7b29f098d9e6584838d02b7c14
Status:
Included and unchanged
Block:
#2,643 3,370 blocks after it
Position in block:
Transaction 289 of 456
Award day:
Jan 21, 2016 (10 yrs 9 mo ago)
Value:
₱952,702.42
Project:
POTABLE WATER SYSTEM AT BRGY. LAHI
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 #2,643 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 SURIGAO DEL NORTE awarded it to ZI 9 BUILDERS AND SUPPLIES on 2016-01-21.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 Surigao del Norte gave a "qualified" 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 a8af8dfdf3…2b7c14now …
- 2. Block Merkle root changedstored ec3da843db…a01ea9now …
- 3. Block #2643 hash changedstored 94e2e45fd4…18052cnow …
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 a8af8dfdf3e4a0bc5603cc87ff25aae08cd6ec7b29f098d9e6584838d02b7c14
- 01 L a87b324c0c7ced07e4083112015976c197a15b703920fa9079497defbd227a72
- 02 R 220a24da593975b9f28ef41043af4bee889422a65c9f9d5ea7e8f05d8e11c266
- 03 R 186ef7fbf6f3b49faefae362225195ce8346053cc8e13650714e6f5978ccc455
- 04 R 3b1e326572ecf6307e0553930c349e80bd110c81c576e05d2450478343633568
- 05 R ae221c6c2ab3cc3a928bea31589724af6af1c366ca673fb8c25193ebe1cba586
- 06 L 1262c5e0c9e6c9a410aca06b5514d9e7c0d37115ac3008911dd235cea6a8798c
- 07 R 9efbb8262ed151c497b23a78cbc9f21ca414af32c9df1224b300d9305f3b3a63
- 08 R c06b2d3cf35d48ed82634aff043431ffe225b0351a5f24971b7a887b1421f5a8
- 09 L d3852e2b0941514193ac312f9fd02b9c04c25a5f54bcc76e6a310f7cbc565a82
- root ec3da843dbb749ae7e48fe304b52561a80fa847ec7a39dc2afb2c50a77a01ea9