OpenTechnical

OT-2026-000068436

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000068436) never changes.

Identity and time

Publication numberOT-2026-000068436 · never reused
Internal UUID01a0ae90-2481-7191-afa9-9fbd2e12c91d · 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-2026-000068436
StatusPUBLIC

Content hashes

Canonical text57c629c4f3286aa3c01d0e37bc011c45332d69ffc71e4dcb5cc32667973f32fa
Markdowndf255c860b554d7d67e800d02da96a58facd72e3c9fa459b63ae03a758b6ec36
PDF
Publication page32d8f8395c8f6ba218038766c65e2afce511da24892b59195423f5df73683752
Manifestad3dbe5e3f344f4b7a931646ef3d38f0f04c39b57f7f391e8c401bba5ab1effb

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
Signatureej3vkFbZGNQobYWv/5Zf9+76pcaCXCEEchey0uGJdfLI0j7aW4ST7UIouNBBzoGLvFQZbVL4mfw+Zg0AEk9uCQ==
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

2026-09-17T10:29:34.819526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068436
observed 32d8f8395c8f6ba218038766c65e2afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.803410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068436/manifest.json
observed ad3dbe5e3f344f4b7a931646ef3d38f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.786605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068436/publication.md
observed df255c860b554d7d67e800d02da96a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.768648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068436/publication.txt
observed 57c629c4f3286aa3c01d0e37bc011c45...
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.