OpenTechnical

OT-2026-000041700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000041700) never changes.

Identity and time

Publication numberOT-2026-000041700 · never reused
Internal UUID01a0ae79-e8a1-7e06-a27b-1d825fb13605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041700
StatusPUBLIC

Content hashes

Canonical text6f6a863b5b33837e3c3cdca434ebcd1ada6e9ff6ad98b9ed31b1adfb4550cd4d
Markdown44182f515855cb581d1944109d6e7d443a7ba34dcc442e570e4adeeecbf1086b
PDF
Publication page79d642c19b11bc3d61bd34b8f34978a417541ece08deea8503f3a93f76f33e8b
Manifest38affe64de2ae6e93c8bb4130c57d7c2c0d4bf885a5bd756f462e0a7bc112e40

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
SignatureJZm7yw4w1slIu5anK9WpTtIOeO0IFMO0RuoSU3fMNInR9p0md/SeQAvUzmWhinmZUOSu0VpwbgRThIhI5rpjDg==
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

2026-09-17T11:16:30.768693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041700
observed 79d642c19b11bc3d61bd34b8f34978a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.751472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041700/manifest.json
observed 38affe64de2ae6e93c8bb4130c57d7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.732897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041700/publication.md
observed 44182f515855cb581d1944109d6e7d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.715013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041700/publication.txt
observed 6f6a863b5b33837e3c3cdca434ebcd1a...
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.