OpenTechnical

OT-2026-000025383

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000025383) never changes.

Identity and time

Publication numberOT-2026-000025383 · never reused
Internal UUID01a0ae71-5fa7-7540-8088-2fd8c97506f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025383
StatusPUBLIC

Content hashes

Canonical text15f526220b1e88d2207c67a41ebbafe8ad44e8d162f7a2e69393fa370387d672
Markdownc39bb5e36cecf0641f8b547d469aca094703d2a835d6261c0379d227f22858cd
PDF
Publication paged744bded1d00ce5f050b486c2f0752b446505b1437fa51253c3d671512742942
Manifest8f46b5f0b0e82f62917c23984e5008518db1dc7063ed460408d8a80bd1768c8a

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
SignatureWWXWk28CNjuNxu/2jEUofiDfjRV5zhzKMd5eNHD9kPYRz08SEiMXeeHiPsluLM9CgATGs5Q44iRW6wdpRKFTDg==
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

2026-09-17T11:47:26.912980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025383
observed d744bded1d00ce5f050b486c2f0752b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.895718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025383/manifest.json
observed 8f46b5f0b0e82f62917c23984e500851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.878273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025383/publication.md
observed c39bb5e36cecf0641f8b547d469aca09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:26.862182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025383/publication.txt
observed 15f526220b1e88d2207c67a41ebbafe8...
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.