OpenTechnical

OT-2026-000025991

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000025991) never changes.

Identity and time

Publication numberOT-2026-000025991 · never reused
Internal UUID01a0ae71-a83f-74c5-8975-1b8dc696e30e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025991
StatusPUBLIC

Content hashes

Canonical text19755b63f6343f5d871bda49e9d4337a857c99cca5290f048dc848e029f8a45b
Markdown06c99cdd56797306b1f5b86a40a0b697fb0348a75ee8b0bccb4dfd79b4ce3808
PDF
Publication page74aef3d0ef6fd3616f93835248a748b42d67be72c3913da6b8f358a2a2dde0a7
Manifest832ebac7e6bc7eb99c733389041d306f05bf4ae4de53996355957820f2b79686

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
Signatured1zfzLD9FuDebGU2vmVNnkmRpbRHYIumVR7prr9HrozOtlT0DcyHWQhxLRzbjCmDuSlCNBO+UFCbKAi6KApNDw==
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

2026-09-17T11:46:21.849216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025991
observed 74aef3d0ef6fd3616f93835248a748b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.832347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025991/manifest.json
observed 832ebac7e6bc7eb99c733389041d306f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.814066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025991/publication.md
observed 06c99cdd56797306b1f5b86a40a0b697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:21.797540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025991/publication.txt
observed 19755b63f6343f5d871bda49e9d4337a...
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.