OpenTechnical

OT-2026-000018869

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000018869) never changes.

Identity and time

Publication numberOT-2026-000018869 · never reused
Internal UUID01a0ae6e-d522-70ce-90f3-bb4af87d14e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018869
StatusPUBLIC

Content hashes

Canonical textc6cf0d03cb3319398aeece6e953d00a8e24ae95f20d6a4abf69e364b2ecec6fc
Markdown5e52b3dabf0f84b93b7bcc327a923503a39b8151d0b77166d2879ed3ec803d3c
PDF
Publication pagedcb0dfbf48662d8e47c41ba523aafbc61d7c6f7c5262cac8a5fc988fc043882a
Manifest41b352b48f97334b88a1352f354a2509679fe5c8a8bfa049d03cd78323a4f693

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
SignatureCHT/3krbVa+6vuI82eOpX943Xn+0SxsduB+kY2ES1+WJVleHE+fLp9wzbBa3n/kPNyL6Q2SOkAkKgVZJMbvVBQ==
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

2026-09-17T11:59:30.998653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018869
observed dcb0dfbf48662d8e47c41ba523aafbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.980588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018869/manifest.json
observed 41b352b48f97334b88a1352f354a2509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.960440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018869/publication.md
observed 5e52b3dabf0f84b93b7bcc327a923503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.940859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018869/publication.txt
observed c6cf0d03cb3319398aeece6e953d00a8...
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.