OpenTechnical

OT-2026-000094504

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000094504) never changes.

Identity and time

Publication numberOT-2026-000094504 · never reused
Internal UUID01a0ae9e-f4e9-760b-9ffe-41009f4c7e1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094504
StatusPUBLIC

Content hashes

Canonical text3213494b2891d9cb239a64d7e8c77553b822b5ad3a9876e6ed24f4e3ae54a737
Markdownc2b9c42d5ac4f3f4cf429fd77832ef18fb1421fc1add130d259412b390ea32d3
PDF
Publication page1e90b058d55dbc579de3792dc4eb1da4446dcf4f98545d8914e11c3fa4212e00
Manifest3fadba498143458e09ed30fce743977dc9a8cce5f2868e073c432e768c1b94a9

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
SignatureSTtjcBmE0EW6vclD9OSRU2cIv6gkFtfBpHvtTk/wIrIs9u3UmRQK6y+FMkcnuAnWbMyaekH5xVykAjEagkjsBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:56.145671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094504
observed 1e90b058d55dbc579de3792dc4eb1da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:56.128297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094504/manifest.json
observed 3fadba498143458e09ed30fce743977d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:56.109157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094504/publication.md
observed c2b9c42d5ac4f3f4cf429fd77832ef18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:56.089940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094504/publication.txt
observed 3213494b2891d9cb239a64d7e8c77553...
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.