OpenTechnical

OT-2026-000017742

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000017742) never changes.

Identity and time

Publication numberOT-2026-000017742 · never reused
Internal UUID01a0ae6e-96fa-75a0-9d7d-a252d2090081 · 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-2026-000017742
StatusPUBLIC

Content hashes

Canonical texte76f473e6d67ee5f684aa5dbb14ff38165398efbf21935d0dfc00a4414ed3d9f
Markdownd308bf0759965526a63c526b25cac03f4abbba111e456941d5536c23e1b64da4
PDF
Publication page8e41bf3c1a26ca40215aeb3e1564817a8e4bc16b2a088ad8fde452f091ea5938
Manifest1b06d5eebc9d054bf8b0a3534154086ffb06575969b225af2aca10defbd158c6

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
Signaturey/YUeVVB67hDWTjluTzMt4CP98IO0PfgbCdKAYE/dZ7AaYEB82bB4/RVL7xpzxDpU/fNTzL01wzuuC5AnNZ8CA==
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

2026-09-17T12:01:41.695830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017742
observed 8e41bf3c1a26ca40215aeb3e1564817a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.680168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017742/manifest.json
observed 1b06d5eebc9d054bf8b0a3534154086f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.664768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017742/publication.md
observed d308bf0759965526a63c526b25cac03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.648069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017742/publication.txt
observed e76f473e6d67ee5f684aa5dbb14ff381...
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.