OpenTechnical

OT-2026-000029146

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000029146) never changes.

Identity and time

Publication numberOT-2026-000029146 · never reused
Internal UUID01a0ae73-2aa0-70d8-b276-50d835603933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029146
StatusPUBLIC

Content hashes

Canonical text42a7f9fdd90b57c99a5e715fd611c8122f8faea595fc4a2e9daebae07075062c
Markdownb84d0d36c2ce9efd6edffb8808e2ba3752e5c3e33c63592029351e5d4a1ec579
PDF
Publication page4fd2f4be0f1bca747421de891fe2c45c97f9ed9f2a9ad43cddebb3f361af2372
Manifest9d779db5517c71477744b486e7d6124f81603cbbb0b14549f51421d07444286e

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
SignatureetJR71o5bfCdJzO49gKH8X+n7OAIyx8AUiR064aRR6sVa3I9T2cdGCne7+yglzSqp0+/IUB9tRoP59kXM1NzAA==
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

2026-09-17T11:39:38.162316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029146
observed 4fd2f4be0f1bca747421de891fe2c45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.141307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029146/manifest.json
observed 9d779db5517c71477744b486e7d6124f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.122690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029146/publication.md
observed b84d0d36c2ce9efd6edffb8808e2ba37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.106122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029146/publication.txt
observed 42a7f9fdd90b57c99a5e715fd611c812...
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.