OpenTechnical

OT-2026-000103882

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000103882) never changes.

Identity and time

Publication numberOT-2026-000103882 · never reused
Internal UUID01a0aea5-15e7-7683-8d14-56364bc5965e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103882
StatusPUBLIC

Content hashes

Canonical text527e9802ce38b52743b20fa23bd98b02e64c953be7465129ca659468957d00f9
Markdowna97ec44384fa66040711ae043f7a71d5de4c5f1eeeb3e453e881b3a3a79af5c1
PDF
Publication page4349dd8db2918b5e2f65302e6ff2647d0e958b5c176efb2bb640c14b29e21cb4
Manifestf9cec97696d25fe0908d05bba0a39a9adfec78b5fb70670484bbdf0ff97826c4

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
Signaturekcqu4PaE5tXOMyhIphQOET4Mu9LoDhaTqdM1GgmlOht/c3Vu06605ilTfzIl9s4j6HMEdwpPitVKqFnVNkYfAQ==
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

2026-09-17T09:21:52.128088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103882
observed 4349dd8db2918b5e2f65302e6ff2647d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.110819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103882/manifest.json
observed f9cec97696d25fe0908d05bba0a39a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.090957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103882/publication.md
observed a97ec44384fa66040711ae043f7a71d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.072425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103882/publication.txt
observed 527e9802ce38b52743b20fa23bd98b02...
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.