OpenTechnical

OT-2026-000023416

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000023416) never changes.

Identity and time

Publication numberOT-2026-000023416 · never reused
Internal UUID01a0ae70-7268-75e3-bbd3-cae4239d4c12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023416
StatusPUBLIC

Content hashes

Canonical text1569e4623c0023c042d3a1927d307a833f345425706a3c7bab0d3ffe61bb4163
Markdown832758d7d6acd3be202e823ea6cb2b4b64c6300858594444892e62b657ef5b02
PDF
Publication page4055a1236050cffdab0b3b8ae0e5e8c21b5afd066d7a58ee043dc017f3706b69
Manifest8d2b68c4e2858cbdd0599bed744cd49271ca69c4d2d37dae88bacb8ee808d8ed

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
Signature3NC6ep/a7QfqmlxAPOt1NNLBCeKy6FpGETmljBkQHbXXctfdNV7kl8hM3sy0YSqNEdwyPKSuOHUDBaHnDTPlCA==
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

2026-09-17T11:51:37.460793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023416
observed 4055a1236050cffdab0b3b8ae0e5e8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.444469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023416/manifest.json
observed 8d2b68c4e2858cbdd0599bed744cd492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.426716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023416/publication.md
observed 832758d7d6acd3be202e823ea6cb2b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:37.408595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023416/publication.txt
observed 1569e4623c0023c042d3a1927d307a83...
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.