OpenTechnical

OT-2026-000044348

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000044348) never changes.

Identity and time

Publication numberOT-2026-000044348 · never reused
Internal UUID01a0ae7c-39d6-7816-bf3f-c43269b2ef60 · 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-2026-000044348
StatusPUBLIC

Content hashes

Canonical text480d3f2064435db165d3151829763ca4ebfb7463e31cb8439c80dc554169cb5e
Markdownce667ad8148f922d7728f82223270bf8acad2f833e9e3aa3d0ea3b0484662eac
PDF
Publication pagefa0718ce7e9fc8b3914b4221a52661e885baf8bdf650c00307b98b5b0c984260
Manifesteae435f805c7f6d582d6d4f6b66befed6c0a7185f89ea5c44805d6f0e518731b

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
SignatureoNTtjWiDnXOHlZt+O4HkR/eYECjzy4XsfEdQrwvunMJ4VAD6PFE/YvgmlC8OPjc/WDKe/CU+ngc/G+tt+9PBDQ==
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

2026-09-17T08:30:26.723014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044348
observed fa0718ce7e9fc8b3914b4221a52661e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.581687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044348/manifest.json
observed eae435f805c7f6d582d6d4f6b66befed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.562133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044348/publication.md
observed ce667ad8148f922d7728f82223270bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.463546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044348/publication.txt
observed 480d3f2064435db165d3151829763ca4...
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.