OpenTechnical

OT-2026-000081668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000081668) never changes.

Identity and time

Publication numberOT-2026-000081668 · never reused
Internal UUID01a0ae97-0f73-7a99-adbf-edb0ef14d09b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081668
StatusPUBLIC

Content hashes

Canonical textf82b4543c0c526878ce38b606cdc0688ab988a4e70baf6d7761f3220804c0ec9
Markdown2c9df6cc20e830bf412d5215410dd7f38f01da3f793a64201216ca7b2442561c
PDF
Publication page0040de488411e71bf45e2c60d035c674aac73ea48bbfb58947ce2203de3e36fa
Manifeste54641d26d5651b9f617078dbb009a0bd572964d2b6f8238121a0312c26ebe6b

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
SignaturezMK1GImLTwPTXrNsubtUJGHvOiNmm+/04pV6WSSo6L3u4PalpmF40ChNqYJNxD4+g1T8W/SogkDteHXyxFv7Cg==
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

2026-09-17T09:59:43.662046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081668
observed 0040de488411e71bf45e2c60d035c674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.644603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081668/manifest.json
observed e54641d26d5651b9f617078dbb009a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.627400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081668/publication.md
observed 2c9df6cc20e830bf412d5215410dd7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.606648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081668/publication.txt
observed f82b4543c0c526878ce38b606cdc0688...
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.