OpenTechnical

OT-2026-000030807

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed 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-2026-000030807) never changes.

Identity and time

Publication numberOT-2026-000030807 · never reused
Internal UUID01a0ae74-3fb5-7de0-8252-72cba352f806 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030807
StatusPUBLIC

Content hashes

Canonical textcdaec0d380d83dd11cfd840e6c3a598873bed5a724187ff5cf0d46e1aa83fdd2
Markdown31c6d137352ee148d35fcc851224405882e691918f6779e40163bc0e5e33a853
PDF
Publication pageeedcd78dfe9dbccddc53f16ea13c659c27488b0a1e038fe1d2d92dfeff07158d
Manifest184ba6fa651be2d23f57d0c3bd19b636826f3cc3778668149f7cdc1fa62b8dec

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
SignatureGrNo5suT9YJqqcbyCQJiZOQyjvPjiJCbebXLhPkCZlGPCQY2vGwxYOholRxYpI5B4EkzFxnF8tA86QtZ4gz9Bw==
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

2026-09-17T11:36:46.955117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030807
observed eedcd78dfe9dbccddc53f16ea13c659c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.938758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030807/manifest.json
observed 184ba6fa651be2d23f57d0c3bd19b636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.922550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030807/publication.md
observed 31c6d137352ee148d35fcc8512244058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:46.905819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030807/publication.txt
observed cdaec0d380d83dd11cfd840e6c3a5988...
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.