OpenTechnical

OT-2026-000005072

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, pressure verified at each zone

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-2026-000005072) never changes.

Identity and time

Publication numberOT-2026-000005072 · never reused
Internal UUID01a0a92c-f6ab-7532-aa17-105824c75c0c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:51.374144Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005072
StatusPUBLIC

Content hashes

Canonical text01b96b9ffb14c99ae63deb4249e8bf5bf6d1bf7bce99609c7f3916c13284c65c
Markdown7cdaf9186ce08c29a372c4dc04185186f1d2d078c281ce974fcf5098e7e6ae83
PDF
Publication page94c439dbe153173a8d522abeef410204b6fa9408c7219079e44be274bb7a464c
Manifest0825f15e9310528b212d9051b0d2939bdd139bd81b8d690701129b56fe81ac92

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
Signatureqfb8BM6JFP6lminvGGDeD0usIkNvSdY1xEsQed7CEVqQDNR7Ut51hxUPIcvkCs7awvU8LpHc0SAUv9o2GtVUBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:18.621697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005072
observed 94c439dbe153173a8d522abeef410204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.491858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005072/manifest.json
observed 0825f15e9310528b212d9051b0d2939b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.477931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005072/publication.md
observed 7cdaf9186ce08c29a372c4dc04185186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.464318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005072/publication.txt
observed 01b96b9ffb14c99ae63deb4249e8bf5b...
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.