OpenTechnical

OT-2026-000021092

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000021092) never changes.

Identity and time

Publication numberOT-2026-000021092 · never reused
Internal UUID01a0ae6f-65e5-7e6d-93e7-4aeb0e04b555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021092
StatusPUBLIC

Content hashes

Canonical textd38274d1a2e3ec98d7e927224cc4514f9b02dcf7c4f9d2ca3e3759066b5b67aa
Markdown738b4b56eb8c07a4338dca6a429c0c86f960d4d751f7054cafa6c543fe109e24
PDF
Publication page61d5190b238747aad466badc4c92dadb6cfc835af68a05416feacb974ccb1da5
Manifestf222ca9d70a921b0149cb641952c5d9bc85c348d00a3b28d454d5fd48c72f4e8

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
SignatureHc3kEYvFK5xrSqAk93ddB2mIktAlDhgPG0bi/rPU4djxZE7NRbrS5nRRbG6P5hnBjLr/IwCv09lfAU0jUpq9CQ==
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

2026-09-17T11:56:22.878293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021092
observed 61d5190b238747aad466badc4c92dadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.859781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021092/manifest.json
observed f222ca9d70a921b0149cb641952c5d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.839814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021092/publication.md
observed 738b4b56eb8c07a4338dca6a429c0c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.817595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021092/publication.txt
observed d38274d1a2e3ec98d7e927224cc4514f...
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.