OpenTechnical

OT-2026-000013149

Publication integrity record

Three cup vacuum gripper, three 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-2026-000013149) never changes.

Identity and time

Publication numberOT-2026-000013149 · never reused
Internal UUID01a0ae6d-6fc8-70ab-ac34-1b23a8658722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013149
StatusPUBLIC

Content hashes

Canonical textad83634ac2dc3df63a629e5d2e185e8b674448449b838cf11d3f755532d2d1d4
Markdownb3296720fcc54d4db33e6b46df9b8e2979522eb89fd71f035504b89836fb3436
PDF
Publication pageaf28cf8ece313e5716c08cf46997a4ac138b9f8581121cadd7fe48af6fddc744
Manifest8658733a4dd8cc68fcd65a00c93087105d00e2e45f54a5e75c0bb22ee0e0a58f

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
SignaturevAGpcKO92F5kaSpCwPgdRQIeBVtl1J4jMLBWuDlod97u+wfCIaYTPBbB9UCfmLx/sw4xNoKo2aBBFTMwMDwJCQ==
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

2026-09-17T12:09:30.920443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013149
observed af28cf8ece313e5716c08cf46997a4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.901078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013149/manifest.json
observed 8658733a4dd8cc68fcd65a00c9308710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.878355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013149/publication.md
observed b3296720fcc54d4db33e6b46df9b8e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.858515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013149/publication.txt
observed ad83634ac2dc3df63a629e5d2e185e8b...
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.