OpenTechnical

OT-2026-000041659

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000041659) never changes.

Identity and time

Publication numberOT-2026-000041659 · never reused
Internal UUID01a0ae79-e8a0-7c3d-bc24-dc96b06adc9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041659
StatusPUBLIC

Content hashes

Canonical text6a87075e98391f0ceea72cc6f1b1557fea2668c243f40a066f3e9b96d0dcd060
Markdowna8624020f4baf1612a67f9b5974b7426d369bce79197497c81d5c8a79316afbe
PDF
Publication pagedeb1628c4ded02f29aace95dd6110649c570d12bc8b4f24041e97bf179606d79
Manifest79b6d2ab33dd4b918544f13a3908a1be5831616521aef24a25a55b02b8ac80a5

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
SignatureblHx3jnc0QHKP8+W2sSTnUS/scOp3DVQYHfQPZ8CfVUttMmvp34OnpGmwzkpPmcc8Qn2+JkTPUlBm8GHamX4BA==
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

2026-09-17T11:16:27.836104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041659
observed deb1628c4ded02f29aace95dd6110649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.819665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041659/manifest.json
observed 79b6d2ab33dd4b918544f13a3908a1be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.803002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041659/publication.md
observed a8624020f4baf1612a67f9b5974b7426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.785407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041659/publication.txt
observed 6a87075e98391f0ceea72cc6f1b1557f...
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.