OpenTechnical

OT-2026-000083817

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before 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-2026-000083817) never changes.

Identity and time

Publication numberOT-2026-000083817 · never reused
Internal UUID01a0ae98-0418-7d4e-88d2-45ea616ea0d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083817
StatusPUBLIC

Content hashes

Canonical textb19c0bccd2a23b305f51c8ddba88af1c6f81ce6dced7c899293745207d9d9d50
Markdownb72d966f330e8d0a89b1fa89aab6b6731d974138287ab50b5c0d665bbf2820f8
PDF
Publication paged82e8636c321a5178d2421450156e75e0318eba6e52a0c477a62eda7ff28d090
Manifestaa4e71a6e0f03b67db2e3b7a9e939b3a0c75737fce1b45fbdd37c5fb96995342

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
SignatureHbgeLLnFOEdhPtuJw1LnlXftQaLldBQurHNJ7iTDbbSZGgS3VfbJoPPcwhwHwTsUhSqZSfhq9PZDfJOtTJiRAg==
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

2026-09-17T10:00:04.458276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817
observed d82e8636c321a5178d2421450156e75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.426886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817/manifest.json
observed aa4e71a6e0f03b67db2e3b7a9e939b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.406966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817/publication.md
observed b72d966f330e8d0a89b1fa89aab6b673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.387124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817/publication.txt
observed b19c0bccd2a23b305f51c8ddba88af1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.184999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817
observed d82e8636c321a5178d2421450156e75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.167192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817/manifest.json
observed aa4e71a6e0f03b67db2e3b7a9e939b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.149107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817/publication.md
observed b72d966f330e8d0a89b1fa89aab6b673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.130012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083817/publication.txt
observed b19c0bccd2a23b305f51c8ddba88af1c...
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.