OpenTechnical

OT-2026-000014949

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000014949) never changes.

Identity and time

Publication numberOT-2026-000014949 · never reused
Internal UUID01a0ae6d-d095-77b6-9e81-2a4fe46c60e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014949
StatusPUBLIC

Content hashes

Canonical text55d204b6da5beb9750da2965c08b6cf94df10a01d378ef6885a6ec526ed854be
Markdownddb8ab001f9009b265ea563c9dee6512ce5d4c49d2070621286a422f87899ede
PDF
Publication pagec0f9eca04331ae199c225f32219aab70e01f9992796c08881e75279ff75830b8
Manifest18487e2189e24d9ba25185a01543db1c9c4b827f5066192658e3972e658f37a6

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
SignatureYMrtz3lNt79d5SO2ubmY+VoqnmJsax0MwsciP7Mo1tg1ZsfgRRAhhP6MoaZf1CpXafo5J2s8Z0+Ayb0zoXLrDw==
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

2026-09-17T12:06:53.896685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014949
observed c0f9eca04331ae199c225f32219aab70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.878291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014949/manifest.json
observed 18487e2189e24d9ba25185a01543db1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.857729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014949/publication.md
observed ddb8ab001f9009b265ea563c9dee6512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.838760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014949/publication.txt
observed 55d204b6da5beb9750da2965c08b6cf9...
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.