OpenTechnical

OT-2026-000089426

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000089426) never changes.

Identity and time

Publication numberOT-2026-000089426 · never reused
Internal UUID01a0ae9b-db02-7c58-883b-cf55645a47d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089426
StatusPUBLIC

Content hashes

Canonical text014615d286f7cc15f7a5866b9a7b2104dfdbd8af73713d535ed9f9180d995541
Markdown66c1170e8ff64add0f970ee1bc059faeff206da78bcf338c28f7706f696d9b23
PDF
Publication page6c8b14fe04e6d20e3a62f2b28e021b05dba8163b40cdda50037d9c1e5449d715
Manifestd40999aa8f339c1308ac47519e4478c8b7b6237d2f3b6d559fa409c379353abc

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
SignatureOcVL50pvnVGE2vnUzW/2C0PlSgTdrFUSkWENmc2xNMs/ZH4nf7tjY7Skegp+krxEqzawyFteTPQviov1W8bfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:34.204120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089426
observed 6c8b14fe04e6d20e3a62f2b28e021b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.185263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089426/manifest.json
observed d40999aa8f339c1308ac47519e4478c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.167717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089426/publication.md
observed 66c1170e8ff64add0f970ee1bc059fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.148855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089426/publication.txt
observed 014615d286f7cc15f7a5866b9a7b2104...
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.