OpenTechnical

OT-2026-000099628

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000099628) never changes.

Identity and time

Publication numberOT-2026-000099628 · never reused
Internal UUID01a0aea2-c976-7145-bf97-a39a57c2ea5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099628
StatusPUBLIC

Content hashes

Canonical textf4bf528f97cc2010fd615365fa1595e2ec44f16cd79b179ae7fedf05b9fb1874
Markdown38ad09f500a7bcd82bcfa38591557024f1d51722467d6afdc091c16a4d528fa7
PDF
Publication page9ec908b088a48bfb50466dedb4419a53c6f7695803d29fd47e5ef9f560513829
Manifest8db7f63928a89858b18b93438833860887b30c5d2a0bd83b603bb4a05060b714

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
SignatureoEngsuLtHOBX20uN7Zh1jySt2ABJPtyFl4tFQ6GJ1ositHDqHyDlLfJ3Peakdf2wC96p6/NLWrmp0qwJpo50AA==
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

2026-09-17T09:29:33.797158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099628
observed 9ec908b088a48bfb50466dedb4419a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.779714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099628/manifest.json
observed 8db7f63928a89858b18b934388338608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.761134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099628/publication.md
observed 38ad09f500a7bcd82bcfa38591557024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:33.744415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099628/publication.txt
observed f4bf528f97cc2010fd615365fa1595e2...
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.