OpenTechnical

OT-2026-000016652

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000016652) never changes.

Identity and time

Publication numberOT-2026-000016652 · never reused
Internal UUID01a0ae6e-5918-71f6-8300-8d435c0e7f13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016652
StatusPUBLIC

Content hashes

Canonical textf3b0b81ded24f43e233bc239d1adffbc4c427dc880bb81eaf3ec3ab4b6cb12f9
Markdown60918c5dccfbdf6418d5b89e64b6b6e24e4a7c246704af24eeec24ef49b9ad1f
PDF
Publication page1a1ebd5ecb4d19e02803f03506a2e04c6a63c8f1f285678265b522f1078cd9a8
Manifestd2f4ae40e6f767d2b83fa3a281d6f365251debc17d242189328b2366492398c4

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
Signature3Q+jrmLrd1Ok5wdGPWR9WffBHaR8an9s9GYffhi9QGNBtRZLZm1EqabYimlotAsOqU0Gp1AbuOYP2ivBI1RdAg==
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

2026-09-17T12:02:50.992219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016652
observed 1a1ebd5ecb4d19e02803f03506a2e04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.973458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016652/manifest.json
observed d2f4ae40e6f767d2b83fa3a281d6f365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.954675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016652/publication.md
observed 60918c5dccfbdf6418d5b89e64b6b6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.937455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016652/publication.txt
observed f3b0b81ded24f43e233bc239d1adffbc...
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.