OpenTechnical

OT-2026-000074465

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000074465) never changes.

Identity and time

Publication numberOT-2026-000074465 · never reused
Internal UUID01a0ae93-717a-737a-8647-73ea7e2c6ffb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074465
StatusPUBLIC

Content hashes

Canonical text384afa91842cedc50203a8f91c55d2ee50e0a983f90960690e733dc7b2dd47eb
Markdown7dfe7114e6a537eda756a17bc1cebde1bf06a3330a068cbe1c167d94062c8911
PDF
Publication page43d6586a780e2a80460acc9984bc04037ed7ce150600b9e7193a941c4c121005
Manifest363711c74c9c19ff1989fed3598c1c4ffbe940797383b540d97499cde5780397

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
SignatureyIWo8IsnnNHQAek25n2tl68sKYqw3WQ7gy/mLHK9ifCb7JxbdJPiOsu0fNV6OFRzDpno6I6atC1R0W5L/7E4BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:25.486219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074465
observed 43d6586a780e2a80460acc9984bc0403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.468882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074465/manifest.json
observed 363711c74c9c19ff1989fed3598c1c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.450074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074465/publication.md
observed 7dfe7114e6a537eda756a17bc1cebde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.431759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074465/publication.txt
observed 384afa91842cedc50203a8f91c55d2ee...
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.