OpenTechnical

OT-2026-000016131

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000016131) never changes.

Identity and time

Publication numberOT-2026-000016131 · never reused
Internal UUID01a0ae6e-2d10-776a-8559-cb8d06e73c0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016131
StatusPUBLIC

Content hashes

Canonical textc3ba4a3ce34f3cdfdafdd73a77b1a29d22d806abac8d8d0f187b4c2d74b6c5c9
Markdown02c0bc76ae75dca284987c1d6b082d4ac4edf9b794dbf6590901ebb937d4bea6
PDF
Publication page0a6121ef8aabbc390a4b231181f673032d717d5c179328e9b320ffed0bcde44a
Manifest74197b55ece18dab1ffedd51f74dc0aaeeeb228c0c10f7dccbb7d13c0111ac54

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureRGUiC38d+eIax3DckTrBGamcxvmmqaCwXIFKxbVcxeBQXzgCUWM1FtwkhG5lmlwgYjyuVAihIcMMbrM9AuJqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:33.865741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016131
observed 0a6121ef8aabbc390a4b231181f67303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:33.848965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016131/manifest.json
observed 74197b55ece18dab1ffedd51f74dc0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:33.829795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016131/publication.md
observed 02c0bc76ae75dca284987c1d6b082d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:33.811288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016131/publication.txt
observed c3ba4a3ce34f3cdfdafdd73a77b1a29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.