OpenTechnical

OT-2026-000079355

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000079355) never changes.

Identity and time

Publication numberOT-2026-000079355 · never reused
Internal UUID01a0ae96-0b90-7536-a415-5ae24c758dac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079355
StatusPUBLIC

Content hashes

Canonical text6166789080963cd3db7e6ea3ecb358b770ab693107db40e8d31a9295e468b5e8
Markdownbcb7d36280becc47b34acfc013ff012dd5c08368e5d7c9717350d529ff242b8a
PDF
Publication paged22f26a5f779e45278f75d89d99507d9bd6a46b810a611310c5195a8a1c6dab5
Manifest5df80cce606dd5400d262c526db9b9a12e25132b2908e9edbf4c6cf68b55fcf5

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
SignaturejLGWYRSU90x/0EkZ8WO15AzhvEzIZ+wdGzScyCLgqfY86FWGXhI4hUA6jUj7rdxTt1bC99EZsbcVzCLN9KFNBA==
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

2026-09-17T10:04:58.285565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079355
observed d22f26a5f779e45278f75d89d99507d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.267411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079355/manifest.json
observed 5df80cce606dd5400d262c526db9b9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.247665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079355/publication.md
observed bcb7d36280becc47b34acfc013ff012d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.228179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079355/publication.txt
observed 6166789080963cd3db7e6ea3ecb358b7...
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.