OpenTechnical

OT-2026-000058396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000058396) never changes.

Identity and time

Publication numberOT-2026-000058396 · never reused
Internal UUID01a0ae88-f39a-72cc-9a34-d5297231b0c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058396
StatusPUBLIC

Content hashes

Canonical text4e90c638f73880da26e3303d45d9127d8ea7259697029eb8239549d7ebe7d299
Markdown6ffcb31080295332748c320b2eff340b64c7425f3d130803a2787690cc35e6ca
PDF
Publication pageb25c8fa686ba95ec024b41036ba5937011c7b530203ef7a9781c48321004a032
Manifest7c396285348cbe55fb81cd13baf06641b87050b0e3a8821ae5e8001bb341f391

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
Signature893ypFsVNLHfK8UWM9cOHdud7D0zgY7Q4YYJvAptX25ero8XqwH6Wpxjzez86/lxw2Gek9334Vbi6K4XOA/CBQ==
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

2026-09-17T10:46:49.508834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058396
observed b25c8fa686ba95ec024b41036ba59370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.491317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058396/manifest.json
observed 7c396285348cbe55fb81cd13baf06641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.475480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058396/publication.md
observed 6ffcb31080295332748c320b2eff340b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.459636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058396/publication.txt
observed 4e90c638f73880da26e3303d45d9127d...
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.