OpenTechnical

OT-2026-000084123

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, sustained blow-off before set-down

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-2026-000084123) never changes.

Identity and time

Publication numberOT-2026-000084123 · never reused
Internal UUID01a0ae98-5b5f-7bf3-b3de-a7055eb1cfe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084123
StatusPUBLIC

Content hashes

Canonical text7e54182fdf9e2d4687f2b4dc0b5d7465b15b5df4f5296047220a7fcf949831ca
Markdownf3fee2caac9802a650205c212f920661d2776d7e4422ad885e41feaf0afbd4ad
PDF
Publication page5cfa936987a782275bd32633a9ca3c140e28cd7ed215b25fd0b4465c81d014f0
Manifest361954cf24d3ab879f7ced2807c2ad693eec9a0f5e67f5a7c0bc621d8021753e

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
SignaturePe38bA5CGWX2UAoacl/wpFYsOflp/kHczRTkZ5isckDiqAhG2DAT1Di1TwQNylBkQION0h9ju7T2wxh59OoKDQ==
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

2026-09-17T09:55:53.005646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084123
observed 5cfa936987a782275bd32633a9ca3c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.986587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084123/manifest.json
observed 361954cf24d3ab879f7ced2807c2ad69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.965837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084123/publication.md
observed f3fee2caac9802a650205c212f920661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.946965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084123/publication.txt
observed 7e54182fdf9e2d4687f2b4dc0b5d7465...
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.