OpenTechnical

OT-2026-000049034

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049034) never changes.

Identity and time

Publication numberOT-2026-000049034 · never reused
Internal UUID01a0ae81-134d-760b-b89b-6e7bb0937b4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049034
StatusPUBLIC

Content hashes

Canonical text287f13fa9402242f0105a23cae745ed825c7f407ab9b40f785264fa37a794967
Markdown541f3770986b59d010aec418c516a87c43678b5b06063cdd16e8613b3b28cc14
PDF
Publication page9b216ae55f2393bcab2542f50d852395abcfa22437310cbfb3064c728af4237e
Manifestd7febdc09abd5c31541de4af3d0017335486f4b20031838974e4138e81f7c215

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
SignatureY/k4quq2cJD3UJDKkuZvTnivDFuXL6PUn9yHE5kp+cqo6Iff9oDpVGciBBPD/6pJfl0cKI77q42as4NS/droAw==
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

2026-09-17T11:03:15.372874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049034
observed 9b216ae55f2393bcab2542f50d852395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.355299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049034/manifest.json
observed d7febdc09abd5c31541de4af3d001733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.335442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049034/publication.md
observed 541f3770986b59d010aec418c516a87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.315278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049034/publication.txt
observed 287f13fa9402242f0105a23cae745ed8...
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.