OpenTechnical

OT-2026-000016990

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000016990) never changes.

Identity and time

Publication numberOT-2026-000016990 · never reused
Internal UUID01a0ae6e-591a-7064-968f-3e04c9b195da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016990
StatusPUBLIC

Content hashes

Canonical text5b5d52d77ededa9009d24f1b4ca12cd0edc148946d6f22faf8278362bd3928cd
Markdown0f7ec826a62b3a2c233db02da6b6c051297bab1b34ced4787e0801dbec2c178c
PDF
Publication page82b61336a43682926b1fd9315152360fea291e98fb3d0d74637e534f039b107e
Manifest9ef30db6526e3d4108f0d8c0a592ea3cf2e215f435adfea599476e2949b6759d

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
SignaturejeS9kMhpVojSbuDwqUhvghT+2+FhD34EwyDV4J8AMDOD1sIKKotxB/ZBmyIrdjIku9bYdAdpe/jTfqX/lxN1CA==
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

2026-09-17T12:03:23.304404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016990
observed 82b61336a43682926b1fd9315152360f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.286397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016990/manifest.json
observed 9ef30db6526e3d4108f0d8c0a592ea3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.269480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016990/publication.md
observed 0f7ec826a62b3a2c233db02da6b6c051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.253001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016990/publication.txt
observed 5b5d52d77ededa9009d24f1b4ca12cd0...
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.