OpenTechnical

OT-2026-000059500

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000059500) never changes.

Identity and time

Publication numberOT-2026-000059500 · never reused
Internal UUID01a0ae89-8619-7d9a-8f49-2130bc56e7e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059500
StatusPUBLIC

Content hashes

Canonical textdec772615a87dd4cc20282dcdb5c1ad81ec52943195ef10fc0f65091cd7b4f5e
Markdownaa1ac950eaac30c4a0f924b07be96e9d5380869bdca1147abc97eda756af00b6
PDF
Publication page3234e15443be6a1304deb787ca24f49f7f44d5f07bc5b21542dd111ee32dd37a
Manifestaf167609024d884503058185698b001122fcbf3f1526bcf54cb0891024dd545d

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
SignatureWEtD2Q0OfU4CU0tc/W9Kmqe48X/cV9uZXfYIzceuZnKE2w5+4bzrVQIDMUJjp9G4EXeNQevPiIt0gaPDCxQCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:12.770542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059500
observed 3234e15443be6a1304deb787ca24f49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.750123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059500/manifest.json
observed af167609024d884503058185698b0011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.731070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059500/publication.md
observed aa1ac950eaac30c4a0f924b07be96e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.711446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059500/publication.txt
observed dec772615a87dd4cc20282dcdb5c1ad8...
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.