OpenTechnical

OT-2026-000006909

Publication integrity record

Vacuum cup gripper, three outlet manifold, pump fed, pressure verified, rubber cups, oval form

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-2026-000006909) never changes.

Identity and time

Publication numberOT-2026-000006909 · never reused
Internal UUID01a0a96b-f6dd-7636-a341-121e5df14403 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:40.191755Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006909
StatusPUBLIC

Content hashes

Canonical text26671f263476e5e12937bf73f6e9243c65dc062befe6eda66c53d88c4faad2f2
Markdownd6bfdb45c4156c73225aae621b18b45cacdfa2733b225fdc6b93f8246280ee75
PDF
Publication page045d6246ff1ae98206e94d624ea95a8d80c18e09659010d585e02e550865e3c5
Manifest8a287f345ef3af3e6559715fa365f702fc7a32bcda2b51d9c547e7dd8d0e82b4

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
SignatureSqa1A5VLovoL8CQnDnHE+r7tyUFenGt5ePGDzYFu6g5tCA8Yj2RYFIlqFbAiQWU+yFqjpRp7Szd/s7IjI3ZLCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:23.148481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006909
observed 045d6246ff1ae98206e94d624ea95a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.136749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006909/manifest.json
observed 8a287f345ef3af3e6559715fa365f702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:23.008633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006909/publication.md
observed d6bfdb45c4156c73225aae621b18b45c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.994624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006909/publication.txt
observed 26671f263476e5e12937bf73f6e9243c...
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.