OpenTechnical

OT-2026-000045244

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000045244) never changes.

Identity and time

Publication numberOT-2026-000045244 · never reused
Internal UUID01a0ae7c-f76a-7688-b983-52c29a15697a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045244
StatusPUBLIC

Content hashes

Canonical textd35f74098204feddee1c47db5dc7fb457354bc1f583a91f8522ed424235b9cdb
Markdown4556f6a5f5dec7c9568079e2cb94afe9d09fff80df427996718f3adf7bcf279f
PDF
Publication pagebf18f2d0729e3fd843a3154b5cfbefea7cc96ebb87c6ac81586c184142ae2a69
Manifest61ab39bd0b6860adaf27cc58ebe4456cdaffb879e551ef0504e3aad4c5feac95

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
SignaturegjDYTxRj0Y89VrLj+66OoKkqQgde1C8+woMux3y/MGwEa2b3xRlwM5I7XpQLqfUBNlJ81QNDGC4ISzbX8XZTCA==
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

2026-09-17T11:10:26.714180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045244
observed bf18f2d0729e3fd843a3154b5cfbefea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.693629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045244/manifest.json
observed 61ab39bd0b6860adaf27cc58ebe4456c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.674358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045244/publication.md
observed 4556f6a5f5dec7c9568079e2cb94afe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.654826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045244/publication.txt
observed d35f74098204feddee1c47db5dc7fb45...
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.