OpenTechnical

OT-2026-000023618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000023618) never changes.

Identity and time

Publication numberOT-2026-000023618 · never reused
Internal UUID01a0ae70-aed3-73ff-bac4-25427a219bf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023618
StatusPUBLIC

Content hashes

Canonical text287b57df18d91fed5f72b096395fc48947806d437092439f7a6af329328f77eb
Markdowna922d1c410e43e2461f6bd9c003fed439870802c48b5e16b34c76abfbb961c99
PDF
Publication pagec49629c5713d6511b4d643d7e495ae7f37f0c75cc22679ca5e3a9ae228f0ffd9
Manifest09d7d316cc47c7962bafe06f2e9fc5dc0ba7562481612743a9d37290494ad62a

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
Signature4q3Wz2KwLPmfrvIQEA/f+6JCSmLQrEoWfyJRVr1YouyR5NudjCPdJnv9loGfRKv0B0g5DkPBjBBbnAJKpH84Aw==
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

2026-09-17T11:49:49.356660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023618
observed c49629c5713d6511b4d643d7e495ae7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.338798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023618/manifest.json
observed 09d7d316cc47c7962bafe06f2e9fc5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.321553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023618/publication.md
observed a922d1c410e43e2461f6bd9c003fed43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.303730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023618/publication.txt
observed 287b57df18d91fed5f72b096395fc489...
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.