OpenTechnical

OT-2026-000056664

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000056664) never changes.

Identity and time

Publication numberOT-2026-000056664 · never reused
Internal UUID01a0ae87-7af6-74b0-b6e1-a4e725808d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056664
StatusPUBLIC

Content hashes

Canonical text4c3bb3736f1dd8b0e5497a35f73154b238a3c6132a372a41605df2f9e97a8633
Markdownc21c3963298db6b8cc0ef38d9da8cbd97cc1e69b69308a7b3fc77b2cd87dbb00
PDF
Publication pagec5c79d3f68b501bb74072cedbe204e2c63feeec8e30ba333491cb08466d6239a
Manifest4587d5b7ad37e3bec3c6647243b99331b28f5d0b61ecd56f528aa9dfbaf35dcb

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
Signature7x2l4pESuCnFa/5ZeQBZ313hwb1xofv5WP8zYjNnl5Irqxx41F78FINx6MtGYCLFy2LbuIVRVCAQdWTcraN/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:03.472044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056664
observed c5c79d3f68b501bb74072cedbe204e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.453166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056664/manifest.json
observed 4587d5b7ad37e3bec3c6647243b99331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.996741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056664/publication.md
observed c21c3963298db6b8cc0ef38d9da8cbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.974196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056664/publication.txt
observed 4c3bb3736f1dd8b0e5497a35f73154b2...
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.