OpenTechnical

OT-2026-000043990

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043990) never changes.

Identity and time

Publication numberOT-2026-000043990 · never reused
Internal UUID01a0ae7b-d679-7b6d-96b5-db97de548bf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043990
StatusPUBLIC

Content hashes

Canonical text53dbe7d90c871941119f746f58e47a7754bcb3539de1d08734dc3020c9f19cb6
Markdown6f495032a6c8f0a23daa8075c4e316f55b469eef6ba73b292a27726272a359d8
PDF
Publication pagebe1f75f558b7f4ee2d2de7428b55c9670597736597259fe34a776a5698b0daaf
Manifest16b3212c0203dd30680605e27ed4dc27d9cbdb445767e673c2348377eed65cac

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
Signature3JMlX8chSwJCjCoyDS/27ebq9kOhuMiNlCjqOYWbS9CAS16R2wCqx8Lxu4Yrh2alVXLR/A7QakHH0ySoT+SACg==
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

2026-09-17T11:12:21.648168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043990
observed be1f75f558b7f4ee2d2de7428b55c967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.628396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043990/manifest.json
observed 16b3212c0203dd30680605e27ed4dc27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.607278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043990/publication.md
observed 6f495032a6c8f0a23daa8075c4e316f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.588153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043990/publication.txt
observed 53dbe7d90c871941119f746f58e47a77...
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.