OpenTechnical

OT-2026-000060688

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000060688) never changes.

Identity and time

Publication numberOT-2026-000060688 · never reused
Internal UUID01a0ae8a-b7ce-72a1-bc00-0fc740312f16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060688
StatusPUBLIC

Content hashes

Canonical textf9a12be77d50f2e05307ca32decdbf6dc87554ce0a47d4291f96f1d0cd32d42d
Markdowncd0bdbeff2b868a05e527605d551967c06750c481264af759745fb27a174395f
PDF
Publication page7b1b32f824db9654e9f65aeed4180c1dd6848fb97bc69b16cbdfd253b6f5e3a0
Manifest934bdffeab91d3af0028bf6fc27d17c910d362c2c2fd2ea4885b5535f113490b

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
SignatureuW1T2sjqYnLWtwPemlS1sXvSyqZYMuuh8u3ddRtNh9dBs8SJuUArVBp11iYwmVmhu5L57FIXgjxevYrPEZvSBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:19.924825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060688
observed 7b1b32f824db9654e9f65aeed4180c1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.907967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060688/manifest.json
observed 934bdffeab91d3af0028bf6fc27d17c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.890730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060688/publication.md
observed cd0bdbeff2b868a05e527605d551967c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.871916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060688/publication.txt
observed f9a12be77d50f2e05307ca32decdbf6d...
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.