OpenTechnical

OT-2026-000072092

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000072092) never changes.

Identity and time

Publication numberOT-2026-000072092 · never reused
Internal UUID01a0ae92-47c1-721a-8754-3533c1bfe960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072092
StatusPUBLIC

Content hashes

Canonical text1984da880a6c5c4eeaa3dd25c7f8e06fa98a52c07d06f7c2cdca270fb8a72382
Markdowncfddea7c0f9159dd0c64aaafd05315538f3c66fb2780ef899d4c6c1a0ac8a684
PDF
Publication page0051d174803753bb58408f92158f847c9b9db9ec80801363b50e68ac17d76ccb
Manifestd13648a388242def2cd0c97ef64e7caa91ef46d70d1cb045fb78be953185a686

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
SignatureYNVh6Y6oEAAe/x7qKZNJFg+1GXzVjWieEIVGe0HnR5bxzmYUAha2yBomLLguq5Tm3YRNE3kyv7jvbgXaPXRvDQ==
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

2026-09-17T10:23:10.341850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072092
observed 0051d174803753bb58408f92158f847c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.325621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072092/manifest.json
observed d13648a388242def2cd0c97ef64e7caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.308607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072092/publication.md
observed cfddea7c0f9159dd0c64aaafd0531553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.291874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072092/publication.txt
observed 1984da880a6c5c4eeaa3dd25c7f8e06f...
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.