OpenTechnical

OT-2026-000026321

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000026321) never changes.

Identity and time

Publication numberOT-2026-000026321 · never reused
Internal UUID01a0ae71-f4a6-7b70-92e6-6043dd210ee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026321
StatusPUBLIC

Content hashes

Canonical text3eb94c6b121208d1c5dab95d8fe23d4548288e8803e99ad5f67f4e8ca95014ae
Markdown7df814626375ebef2c4816e780aa53604c042fb4ef339217aaffc3dcf2c085f9
PDF
Publication pageb4cb24ad4d85e33d63d9a98315120370af583909086e5e3d1bfc0187b2c38993
Manifest194a9ab70995cbd418c50601a49b5459cb78c5bbf10de9683def195e8fc572b1

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
SignaturehlDXwUvgYzvMDL/o8B2QYkkptBILyrFIBHyEdcZcnZOn02Z2AaRV/a3yndW9zbjWjzjd+48T1Jvf7C5bhcvUCQ==
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

2026-09-17T11:44:16.817947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026321
observed b4cb24ad4d85e33d63d9a98315120370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:16.801457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026321/manifest.json
observed 194a9ab70995cbd418c50601a49b5459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:16.784303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026321/publication.md
observed 7df814626375ebef2c4816e780aa5360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:16.765476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026321/publication.txt
observed 3eb94c6b121208d1c5dab95d8fe23d45...
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.