OpenTechnical

OT-2026-000026789

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000026789) never changes.

Identity and time

Publication numberOT-2026-000026789 · never reused
Internal UUID01a0ae72-3451-7398-8e92-30d6bae3cdd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026789
StatusPUBLIC

Content hashes

Canonical text544b545d424d7f7a60f7d1495fc87e64784551c628004c56b7e907c5b30852ef
Markdown40b4b907b1e77bf86b3e930a16f617da3952cd2990ee649ecb1bbffc67556dd7
PDF
Publication paged7a50eab4ee28a51e043e262ddff7f2364401034e6306d3de1fe778c7514e154
Manifest8fa7562491f18dd0fdfbaa6db91fb62d766f98d288833389600378725c9f7aee

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
Signaturejdx174rq+VVvWI4pYhYn3mI5GMjHCvjxmq+Q7CpACbMTYFRr6cJGsBvoC+hM9I9XyMMH0JE8k/E47QVdcJ8CDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:21.841193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026789
observed d7a50eab4ee28a51e043e262ddff7f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.825720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026789/manifest.json
observed 8fa7562491f18dd0fdfbaa6db91fb62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.808714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026789/publication.md
observed 40b4b907b1e77bf86b3e930a16f617da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.791085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026789/publication.txt
observed 544b545d424d7f7a60f7d1495fc87e64...
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.