OpenTechnical

OT-2026-000012540

Publication integrity record

Six bellows cup vacuum gripper, 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-2026-000012540) never changes.

Identity and time

Publication numberOT-2026-000012540 · never reused
Internal UUID01a0ae6d-39f7-789b-99d2-7936093b032c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012540
StatusPUBLIC

Content hashes

Canonical text41dbf8b2b0dd5611b6148d8359800e75e5e4c60b028aac9b9bb246ed8d430b55
Markdownce4aa297dc910d5dacdbc0f097513b47c7195dc49c7912672ed90b85a4d147c8
PDF
Publication pageeb0fe6144d88d6ff1f1caa4534e51733719bbd5711938677cf4abe6235f8f9c9
Manifest0707bca42786bac9fbb8c6cd552c1210b9644936f00d4ad29b7b6ef0c9339c54

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
Signatureg0k6vmbSq/3QDipn6QbzUSxNqE5qkWHuYuH4IfGSHnRyArBrcjIOdNuU8wWpVEdTwenIzBsA8aMtLHH2FZMJAQ==
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

2026-09-17T12:12:04.565390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012540
observed eb0fe6144d88d6ff1f1caa4534e51733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.543369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012540/manifest.json
observed 0707bca42786bac9fbb8c6cd552c1210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.521258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012540/publication.md
observed ce4aa297dc910d5dacdbc0f097513b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.500802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012540/publication.txt
observed 41dbf8b2b0dd5611b6148d8359800e75...
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.