OpenTechnical

OT-2026-000068232

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000068232) never changes.

Identity and time

Publication numberOT-2026-000068232 · never reused
Internal UUID01a0ae90-247f-737c-8e40-343132551f51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068232
StatusPUBLIC

Content hashes

Canonical textcd564be8b50ada837581a2efb8d5241f2ff46f0859eb83d9d28a7b14e9cc5132
Markdownb8ee8b4f5b583b866f223737f7db47530176ec429b6316148db0e170bfe143cc
PDF
Publication page022c601b2b3dc2c2217f6ad01ec953fee34bacb4f85139cc86f2f0fd2b7b4727
Manifest0b9c109a0bcad169896c230158f602009c5208fe21a96398b635a19eeb07a27a

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
SignatureRbCVIm0L8Jz78gCxzEvYDhThZ4p6Oh+/BewX1ByJuBhdkXSojDUT/i9umSOXTn6ehZwZkfisod9Xrc6JK/1eBQ==
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

2026-09-17T10:29:14.933827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068232
observed 022c601b2b3dc2c2217f6ad01ec953fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.917296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068232/manifest.json
observed 0b9c109a0bcad169896c230158f60200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.900782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068232/publication.md
observed b8ee8b4f5b583b866f223737f7db4753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.884145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068232/publication.txt
observed cd564be8b50ada837581a2efb8d5241f...
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.