OpenTechnical

OT-2026-000070954

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000070954) never changes.

Identity and time

Publication numberOT-2026-000070954 · never reused
Internal UUID01a0ae91-8c2e-7a28-8092-b45bccc6412b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070954
StatusPUBLIC

Content hashes

Canonical textd3b87cd9fc1533acce5e3d91aead55b815c770fc8a4563fdb77991570b05a76e
Markdownbb893f6dbbcd02ca91b00d64131fa0e7ecec62b87fd0ffec0f9e3d0bd77c106a
PDF
Publication page8f081f00068b605ffe3ef998e95d9e3cf7348cdbdc4029129533cc4bb5ca756d
Manifest5c3babd2dd067ea1ccd18e8a0f995895d677335c64bc91eaf24755ef24cb9460

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
SignatureT8KeuzVveeKMV4etipD2SI1R0AZ2o/4BLoyG26Skt2zO1T+Yhi7WQUJTvQ+CTdtniGeR5NkzqwZnvXfCLJHzDQ==
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

2026-09-17T10:25:47.435529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070954
observed 8f081f00068b605ffe3ef998e95d9e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:47.417474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070954/manifest.json
observed 5c3babd2dd067ea1ccd18e8a0f995895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:47.400121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070954/publication.md
observed bb893f6dbbcd02ca91b00d64131fa0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:47.382444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070954/publication.txt
observed d3b87cd9fc1533acce5e3d91aead55b8...
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.