OpenTechnical

OT-2026-000017988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000017988) never changes.

Identity and time

Publication numberOT-2026-000017988 · never reused
Internal UUID01a0ae6e-96fc-7527-94e1-bcf886ff303a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017988
StatusPUBLIC

Content hashes

Canonical text318360d48afda7f732f130218724f2ecc88ade96480e5df173bbac1edfd834f0
Markdowna58047d75f3dfc65f46ec1ff3dffbe3caecff711243150f36b7ce001b61e326d
PDF
Publication page47e51db4a417eede3abdbd54aefae68b171746eb24e95c57e65747aa9190cbc8
Manifest9e3d9f2432c389dfefa8868fea91091f64d1d7884afaacacf169799869880be4

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
SignatureXtJJy+ZJjrggm3keE70yInfJW1tmtNhv4Mv45U3UcqFOckMLQGR2pMleF1H0JL9oiBAa2kaZh8v2ngDfE284Cw==
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

2026-09-17T12:02:00.384236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017988
observed 47e51db4a417eede3abdbd54aefae68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.368577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017988/manifest.json
observed 9e3d9f2432c389dfefa8868fea91091f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.350949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017988/publication.md
observed a58047d75f3dfc65f46ec1ff3dffbe3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.333154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017988/publication.txt
observed 318360d48afda7f732f130218724f2ec...
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.