OpenTechnical

OT-2026-000006101

Publication integrity record

Vacuum cup gripper, three outlet manifold, pump fed, contact triggered, vented after set down

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-2026-000006101) never changes.

Identity and time

Publication numberOT-2026-000006101 · never reused
Internal UUID01a0a94f-5bcc-7eb7-bbe4-e571da420055 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:25.487296Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006101
StatusPUBLIC

Content hashes

Canonical text64787aff5df189d23c2e6a83f67dd75045977ba14703482ad13b5c1d960c57bc
Markdown5330ed9d4d2425ea9e7168dac6cc23bc318eb58d0f9c1efa0061f9ac92f6d14f
PDF
Publication page6d42e17ee1d5dda20311827cc165807c72365e680fe25cd83c967d5d2baddfb2
Manifest43d6cda1b313bbb5b365655f6ded8f48deaa777008a90c0381ee19ddd7930a03

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
SignatureRSYr/rYsCyhxXLU7va1NP688xxFHgWEt9eq9B87Y56Hemcg8j/Rg1yVaebV9QD7e6s194WdDfmvQPHjtTXqKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:27.408662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006101
observed 6d42e17ee1d5dda20311827cc165807c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.396492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006101/manifest.json
observed 43d6cda1b313bbb5b365655f6ded8f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.382082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006101/publication.md
observed 5330ed9d4d2425ea9e7168dac6cc23bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:27.246510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006101/publication.txt
observed 64787aff5df189d23c2e6a83f67dd750...
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.