OpenTechnical

OT-2026-000094515

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000094515) never changes.

Identity and time

Publication numberOT-2026-000094515 · never reused
Internal UUID01a0ae9e-f4e9-7386-9122-92b71be38d92 · 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-2026-000094515
StatusPUBLIC

Content hashes

Canonical text8bd56d8534135197f4da434668bf24bc2c6b804edc4529eff4697f5c53d5aaa9
Markdowna5a72e15fb282fbba063c6617671d6c9e5ada00f1445d4efbdfea00f376196c2
PDF
Publication pagebf26bc3420cfd0c8dfa07553c0bed64d1978d3be1be342a785bc88084f89f176
Manifest51503092b353d0976ae6d80114b412275f51c392cad70e70961e825a13147c23

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
Signature3M1VZlo0NKOsyrFF9pHb7qCtm5pvJKeqcxgjjfdc/YfjYlpG1YKYRyxnzPMBv0IPtD0upATJnaah1mvLvyrDBg==
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

2026-09-17T09:37:57.138205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094515
observed bf26bc3420cfd0c8dfa07553c0bed64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:57.119031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094515/manifest.json
observed 51503092b353d0976ae6d80114b41227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:57.099588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094515/publication.md
observed a5a72e15fb282fbba063c6617671d6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:57.079949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094515/publication.txt
observed 8bd56d8534135197f4da434668bf24bc...
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.