OpenTechnical

OT-2026-000029000

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000029000) never changes.

Identity and time

Publication numberOT-2026-000029000 · never reused
Internal UUID01a0ae73-2a9e-70fe-b816-9e00ec7c2bf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029000
StatusPUBLIC

Content hashes

Canonical text1095d7e5e0db29ff22c029affd3037910864e68cec7a52750aa11a192feec4d5
Markdownd287dd7d69d968db5678e808dd9d65cb1c40c91f3dbf6ad343c16df48bf0a063
PDF
Publication page5c2b050a0f52570a121c705239901d7b07d3ddf66de46ae192a5b4d8e96184e2
Manifest2689b8ca1fd2040bd605c934e608d9f469531f927bd4bc96ac6678c1c51d4924

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
SignatureyPTAD3Lfb5AaPdBtEoqCag/s/ooz2GVzDrYLjbl01NtfovWqS7V/IJzysVSpBnpQy/wIsziYyg4xc6by9S5OCg==
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

2026-09-17T08:20:33.197826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029000
observed 5c2b050a0f52570a121c705239901d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.180138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029000/manifest.json
observed 2689b8ca1fd2040bd605c934e608d9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.040359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029000/publication.md
observed d287dd7d69d968db5678e808dd9d65cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:33.022248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029000/publication.txt
observed 1095d7e5e0db29ff22c029affd303791...
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.