OpenTechnical

OT-2026-000007022

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, vented after set down, silicone cups

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-2026-000007022) never changes.

Identity and time

Publication numberOT-2026-000007022 · never reused
Internal UUID01a0a96f-dd04-785b-bcce-c0ce6daf4794 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:55.720280Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007022
StatusPUBLIC

Content hashes

Canonical textbd66e04d8999a2ff89f2c618a99b542b8b5ff9fd8ecd986b29214a2f6344bbec
Markdown5980ab4573ead83f674afd8648fb337d9b371b0c7c0775eaa6f4a5a85de530fb
PDF
Publication page7cc2f9f55a0097755e7be59c78cb70aa73e82390368a6c39c3a440253516f3ef
Manifest636d96fbf24822b3612b6a83d24109d92f53dd0df1faba02f1a7539637547760

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
SignaturectuMQu0OykVzruxr2xSwF9JPVbVd4E2+XIQBnqhdhy6o5LE2q++Vp5g1MhFHSCZR0uz9+Rd/EL4bncDOQT7rAw==
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

2026-09-16T09:00:10.718493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007022
observed 7cc2f9f55a0097755e7be59c78cb70aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.704748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007022/manifest.json
observed 636d96fbf24822b3612b6a83d24109d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.690183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007022/publication.md
observed 5980ab4573ead83f674afd8648fb337d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.678450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007022/publication.txt
observed bd66e04d8999a2ff89f2c618a99b542b...
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.