OpenTechnical

OT-2026-000006888

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000006888) never changes.

Identity and time

Publication numberOT-2026-000006888 · never reused
Internal UUID01a0a96a-e91b-76d4-aa0b-6930798c357b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:31.134029Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006888
StatusPUBLIC

Content hashes

Canonical textb829dfd9baadf724197ec9ae35af5a4a71cf538a4fe68ed1022b7aef2524b843
Markdown00334e256a68de27f6bb82a18757f860bb271c4d2564c3b887bfafda514ba861
PDF
Publication page6245fd72893ddec56df69c0aeccc2b167560b7388c0ba4915ef28bc63ace812d
Manifest4eb45f4e379484db8d4e10d09ccd31c00325442564cf7f4fb591a1db240e0537

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
SignatureHIQg40qFppTzWFu42nto6QQSQ6qGyU6F8sowPAvovBp6w8ILBQYnYH7JU3niIlDLHsJfY2DEF3K7/LwXOycIBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:25.257353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006888
observed 6245fd72893ddec56df69c0aeccc2b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.245115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006888/manifest.json
observed 4eb45f4e379484db8d4e10d09ccd31c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.233179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006888/publication.md
observed 00334e256a68de27f6bb82a18757f860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:25.219386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006888/publication.txt
observed b829dfd9baadf724197ec9ae35af5a4a...
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.