OpenTechnical

OT-2026-000063532

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063532) never changes.

Identity and time

Publication numberOT-2026-000063532 · never reused
Internal UUID01a0ae8c-f945-7a51-b39b-15568bbec7f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063532
StatusPUBLIC

Content hashes

Canonical textaad72bdc3f0dad98a1ea499150bb590c88378b3a5f0b0c2f920e897925ce40ea
Markdownca129198d0660a7875a8001ed1f80c53d47526f435cceb87cb3bfb80ce007963
PDF
Publication page5c99cb218b36db5a779a4f3cb3e3ad299955abbe11943e09b698cf50f6eddbcb
Manifestaffd292fde83eb1d8cd65b2a1b895cdca4de3e3a3abbc1e05ae7f8d9ec711166

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
SignatureUVA7ZMnBQrTWAQJzU0PXzcactJigazDUOi1zNNuyJ+K7yeGDXKRyex2nXou8KUGE71ieqAZRBxTxYWgu0ym8Aw==
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

2026-09-17T10:37:31.434184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063532
observed 5c99cb218b36db5a779a4f3cb3e3ad29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.414631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063532/manifest.json
observed affd292fde83eb1d8cd65b2a1b895cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.395072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063532/publication.md
observed ca129198d0660a7875a8001ed1f80c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.374044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063532/publication.txt
observed aad72bdc3f0dad98a1ea499150bb590c...
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.