OpenTechnical

OT-2026-000062260

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000062260) never changes.

Identity and time

Publication numberOT-2026-000062260 · never reused
Internal UUID01a0ae8c-0abd-730c-8717-e6ad3d24b224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062260
StatusPUBLIC

Content hashes

Canonical textb7bbbcbe3d9ebbb3aeb37564c462eb67109d6fedd7d0f33d3ec2ee449f9c5cae
Markdown5457c500a31e8fbd898f9bdd89c439669d1e29aeb3c47bd96220e9a5a91b50c8
PDF
Publication pageaa18e76ebbd2ca4a560b977f8c8e2bbb0a689fd420614574e5cdd9bf7cfd93c9
Manifest4567ce6f06b08d83c5b764e907e41ff7ac447a8870dc21c53bd4d551512ad525

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
SignatureUHZyecFe9x3njOG/4uV2AL00yBUPxkPCE3/jPevLp54cUu5oaxhylnWscNnL/k7e3SCxnd9dV9PLy2Tb5ZHACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:32.417435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062260
observed aa18e76ebbd2ca4a560b977f8c8e2bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.400992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062260/manifest.json
observed 4567ce6f06b08d83c5b764e907e41ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.384117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062260/publication.md
observed 5457c500a31e8fbd898f9bdd89c43966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.367037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062260/publication.txt
observed b7bbbcbe3d9ebbb3aeb37564c462eb67...
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.