OpenTechnical

OT-2026-000018605

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000018605) never changes.

Identity and time

Publication numberOT-2026-000018605 · never reused
Internal UUID01a0ae6e-d520-70c8-80d8-10414c399d25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018605
StatusPUBLIC

Content hashes

Canonical texte318c31031ab809e544ad37a3d84c5115f713e005de060ca7c17fae7e2075ef9
Markdown67feea3821f5b43ecf0534e5d5294cfacabf086d7ad91e1f465c29dbf17185c9
PDF
Publication page0532d95afa5f70d550c0a84a202813e17992ed714709db18f47c38ba310bdfa8
Manifestb9c89d2feb16b6546ee8aaa0ecb6f05a88bc8b7ce3b4fd0dabb46df2f5237558

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
Signature+Hvp+dnZGQ2EB3j+9lV2k6cm7iI15R+YOJ1SPjx3DhCxc/WdYVP4GEa3y0XBA/uDwF0C4Rm6RbUHt5F1aS8ACg==
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

2026-09-17T11:59:05.978977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018605
observed 0532d95afa5f70d550c0a84a202813e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.960434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018605/manifest.json
observed b9c89d2feb16b6546ee8aaa0ecb6f05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.943009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018605/publication.md
observed 67feea3821f5b43ecf0534e5d5294cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.924840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018605/publication.txt
observed e318c31031ab809e544ad37a3d84c511...
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.