OpenTechnical

OT-2026-000014100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000014100) never changes.

Identity and time

Publication numberOT-2026-000014100 · never reused
Internal UUID01a0ae6d-8deb-7f78-a3d7-c250165939ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014100
StatusPUBLIC

Content hashes

Canonical text5e8dbba03e1c0f38a4c63cc3e72ca21d84e4adea031ee91e99c8db8e303d80c4
Markdown39441e1c139f9927eb901af5972fcb7c76b66c4855cd6264daaa1e8458e2aceb
PDF
Publication page06588ab18ddfe8d9d2e166248f2541b4397577d0ab05227d05e27e1426f6d775
Manifest6a4a97f37b7d4ba300964305c5d727dc9ac0c0d2355bb37623708e6cd123f044

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
SignatureOh8vKPjH0wGThQ2BxARim5YC2Puvg9XgdZi4/BMet0jl56hwJLAAajAoilwt4TWSs5ZRMVcuwgcvNCo5Q0ScAQ==
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

2026-09-17T12:09:21.440040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014100
observed 06588ab18ddfe8d9d2e166248f2541b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.422302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014100/manifest.json
observed 6a4a97f37b7d4ba300964305c5d727dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.403775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014100/publication.md
observed 39441e1c139f9927eb901af5972fcb7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.386374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014100/publication.txt
observed 5e8dbba03e1c0f38a4c63cc3e72ca21d...
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.