OpenTechnical

OT-2026-000102738

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed 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-2026-000102738) never changes.

Identity and time

Publication numberOT-2026-000102738 · never reused
Internal UUID01a0aea4-858c-7117-81d7-5d4865ddd35d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102738
StatusPUBLIC

Content hashes

Canonical text8dac8adc6fce260b7ea8ef02e84bb5fc192a78bf48ccb97c9b732ad5a3f2e71f
Markdown26e78212a23ab3e2472144102221a1139f81ae9b57773600676990c48d6d606e
PDF
Publication page4168697cad4174db02040670cf3562d6591861561a6170bb88516af16ffef7a2
Manifest2f73f81495ce6464cf32dc0cfb9b804aaf9814baf5981586bc2e921ec9600bec

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
SignaturexiMelddDClUOBFHe8xkWO+F3f8pgVH8r/e/A2UZa7uSl3sC12QnSjEGI7C60IRtmqr6DFSMhQ+Be50Y0rdhRAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:15.370895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102738
observed 4168697cad4174db02040670cf3562d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.352305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102738/manifest.json
observed 2f73f81495ce6464cf32dc0cfb9b804a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.335057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102738/publication.md
observed 26e78212a23ab3e2472144102221a113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.316589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102738/publication.txt
observed 8dac8adc6fce260b7ea8ef02e84bb5fc...
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.