OpenTechnical

OT-2026-000030839

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000030839) never changes.

Identity and time

Publication numberOT-2026-000030839 · never reused
Internal UUID01a0ae74-3fb5-733a-a785-270f0019e677 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030839
StatusPUBLIC

Content hashes

Canonical texta6a81141514f36559a9f03b539391985b1d3f634d072c29986fbe585005deb53
Markdowne5f25f9f7a5584846e94be7e1987704f90f89253dcc232af9aa4895346061f52
PDF
Publication page09b5ebb40c72323f36c39e7606cd64c532e1e54089b17573a97dbe5c8b1f318e
Manifestff7004d052b242f038a9a56851dcd94a53bcc48a7200f83615c63238f64c2a5b

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
SignatureJz6on/9TvTy8SVRMIjDb7wa0asJy/2VOzmjMVYO5sjBphEGfoQdXrX32uSvhQO0fpTBWqZq3tXn8dIEUH6pXAw==
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

2026-09-17T11:36:48.761287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030839
observed 09b5ebb40c72323f36c39e7606cd64c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.742798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030839/manifest.json
observed ff7004d052b242f038a9a56851dcd94a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.724975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030839/publication.md
observed e5f25f9f7a5584846e94be7e1987704f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.700289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030839/publication.txt
observed a6a81141514f36559a9f03b539391985...
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.