OpenTechnical

OT-2026-000053297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000053297) never changes.

Identity and time

Publication numberOT-2026-000053297 · never reused
Internal UUID01a0ae85-0a15-7311-b84a-6a57b2539c17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053297
StatusPUBLIC

Content hashes

Canonical text1d4247a487494811132ac34666af064fa80a5e569bb5599992d3521d51c6d466
Markdownd631d73bd001cb1fefcc577678b2b6f1baeb19f08a280bc9b46708dff729805e
PDF
Publication page714f38e1f9f397dca73c70e7f620924858ce2c71de4849f5e43034458cdc582e
Manifest0485dbc2e876fbc9b607dbb2497414d926dda16d72528113bd98097aab883d53

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
SignaturegA0YCro9pj0u/3l/54L4zTNVSChyskNnb69StF71iiovex2nelRIEoDv45VsEaj3L1ZLDzoCJ23otkuzArDiDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:59.123432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053297
observed 714f38e1f9f397dca73c70e7f6209248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.103840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053297/manifest.json
observed 0485dbc2e876fbc9b607dbb2497414d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.085935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053297/publication.md
observed d631d73bd001cb1fefcc577678b2b6f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.067586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053297/publication.txt
observed 1d4247a487494811132ac34666af064f...
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.