OpenTechnical

OT-2026-000006661

Publication integrity record

Vacuum cup gripper, three outlet manifold, ejector fed, pressure verified, rubber cups, flat 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-2026-000006661) never changes.

Identity and time

Publication numberOT-2026-000006661 · never reused
Internal UUID01a0a963-0dcb-708c-8998-706c5a4dc3ae · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:56.239760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006661
StatusPUBLIC

Content hashes

Canonical text563b5c1d5384e761f34e43a1e82683125c31c5c5c7fc2e50ea9f3ae2b4e2883a
Markdown7816112dc165354554c45e612dfce590aff7286726fdca76625f876c5e00bf8e
PDF
Publication page10cf00b48fea082540e4c7c32b8ddbb17195c6edb85b8e81eea4ea6e32f2e44c
Manifest843041324eaad8378aaa4cc8e606f8e7c68e4ce44389819730702536261be94e

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
Signaturey4c5BZz7BCYEZUqNQ94O5uwY7KvhSgbBhS8MnkOUFzaHLGOvlk0/eozZa6qQJ3YHQ0oKD1RbqV0XMd+1B4tECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:20.135965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006661
observed 10cf00b48fea082540e4c7c32b8ddbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.998523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006661/manifest.json
observed 843041324eaad8378aaa4cc8e606f8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.984455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006661/publication.md
observed 7816112dc165354554c45e612dfce590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.971249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006661/publication.txt
observed 563b5c1d5384e761f34e43a1e8268312...
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.