OpenTechnical

OT-2026-000019127

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000019127) never changes.

Identity and time

Publication numberOT-2026-000019127 · never reused
Internal UUID01a0ae6e-f391-7fff-b7e2-7c74d54fad8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019127
StatusPUBLIC

Content hashes

Canonical texte0814d6187d265e37f9182943a6e73f9b54a30a6ac67f6c89c7d8f77488d9f12
Markdown162f4d855de8c02ecca310ca9b54e6c48b0d08a9d0864344300a6b879100bb17
PDF
Publication pagedf0ce9a0a3d458a694475e3526815f186bb2dcc20ade20ec7f199767ee950763
Manifestdbcca4ff41ac0a7206200d4360e2fa85c693c28de75fd94d0a0035cae0f87e0c

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
SignatureMVX8InnV0v45klSy+Fb92ORQMVduDfFJ+OrkTGOEOHevsMVBKqbFtB+3PjrQRpN8hjCP59TXI7AqDhuYxG65Bw==
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

2026-09-17T11:58:26.009909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019127
observed df0ce9a0a3d458a694475e3526815f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.993091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019127/manifest.json
observed dbcca4ff41ac0a7206200d4360e2fa85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.975894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019127/publication.md
observed 162f4d855de8c02ecca310ca9b54e6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:25.956556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019127/publication.txt
observed e0814d6187d265e37f9182943a6e73f9...
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.