OpenTechnical

OT-2026-000016884

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000016884) never changes.

Identity and time

Publication numberOT-2026-000016884 · never reused
Internal UUID01a0ae6e-591a-708b-9877-4f8398dfff6d · 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-2026-000016884
StatusPUBLIC

Content hashes

Canonical textefada6ef4d33b15d215a812a18ef87fd6502f919e37d8629ab53a2ce6ee131bb
Markdown642c213bce2ca611731bf690c51d95c4a0728c947f3883b84981b9041e5bc125
PDF
Publication page8f9b47184044fa2031ae6a2a59353f5b3f40abc7de74073fb1739438451a1c32
Manifest4d89583a83cc7acc3433b0b4cad29de49bee135f0ad4a97d2f3405511073b8c7

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
Signature5bGGKdEV6HnzAN2aI+5bMRVHomVQ/yNhDaAc2QODYaYgkWnvU1/AWuh0or4TLreoRpmViZUgOBl8CoZqDxxmBw==
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

2026-09-17T12:03:09.339692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016884
observed 8f9b47184044fa2031ae6a2a59353f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.322472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016884/manifest.json
observed 4d89583a83cc7acc3433b0b4cad29de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.307664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016884/publication.md
observed 642c213bce2ca611731bf690c51d95c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.290467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016884/publication.txt
observed efada6ef4d33b15d215a812a18ef87fd...
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.