OpenTechnical

OT-2026-000027804

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000027804) never changes.

Identity and time

Publication numberOT-2026-000027804 · never reused
Internal UUID01a0ae72-a4a4-7518-b412-4d53dc4f06f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027804
StatusPUBLIC

Content hashes

Canonical textef47b7755acb1728300890bbc91c15e4a8826cd67309cf3b9ea2626cabc8d51c
Markdownfde8ed2026d9ea5614ea8020b8ae4f1d88c2447fb38c9152c3f744cd7046509a
PDF
Publication page65a48dd37775bb4b308d89627ae9fe655a54fc23087eb6750b2090dfbbf4252a
Manifest239d42f6fe753788c0240a325708545687242ad4cf74a79f8523cdc240e3005e

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
SignatureG1+TjTyPNbzEBkA/7JUCThdczcdbXs9tuyydxGnI59JBZGRcrvfFtRsQF8yUYGXYIdBdPQzSMQg4B+PRPXc+CQ==
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

2026-09-17T11:41:51.236554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027804
observed 65a48dd37775bb4b308d89627ae9fe65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.217743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027804/manifest.json
observed 239d42f6fe753788c0240a3257085456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.199615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027804/publication.md
observed fde8ed2026d9ea5614ea8020b8ae4f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.180019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027804/publication.txt
observed ef47b7755acb1728300890bbc91c15e4...
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.