OpenTechnical

OT-2026-000044646

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000044646) never changes.

Identity and time

Publication numberOT-2026-000044646 · never reused
Internal UUID01a0ae7c-39da-7253-8d08-374cce85a77b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044646
StatusPUBLIC

Content hashes

Canonical textab22179fc2069e941b361004b0dc5114f52516adb3bbe42c74df1a9d95c9a8b1
Markdownd584570288a8ea7ad6ad5a313660bc433b665b8676ccd3693479918bc8aed049
PDF
Publication page42930d3d9b04c31216338ce09b5e0a4ac04735dc2646aa62cb24b21db8b4f028
Manifest8a8b545a5ee037c5db87a854cf47bdcd0a1e44740b13f749d8086604e5478ad8

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
Signaturel1aUo+vs13JfMVFTyPKTb32n7GNeCmVubmA/W4GcpUwWZq2fD7Sd/JuvzPhj/1f/LnmTXii2QCmjVKO+bMaDDw==
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

2026-09-17T11:11:53.429123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044646
observed 42930d3d9b04c31216338ce09b5e0a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.410567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044646/manifest.json
observed 8a8b545a5ee037c5db87a854cf47bdcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.392336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044646/publication.md
observed d584570288a8ea7ad6ad5a313660bc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.373246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044646/publication.txt
observed ab22179fc2069e941b361004b0dc5114...
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.