OpenTechnical

OT-2026-000063108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063108) never changes.

Identity and time

Publication numberOT-2026-000063108 · never reused
Internal UUID01a0ae8c-94aa-714c-aefb-4863ff8622e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063108
StatusPUBLIC

Content hashes

Canonical text529c023cd9b9f7d8b53926fcadeb60bde30b2a41a418afbcc8daac360cf14bb4
Markdown3d23e481caf633fafbcdb86970d3ff33cef46a8c55e88d0313dfb468a82574be
PDF
Publication pagec48feaaf38160511ee94230371f8ae22d6b720107fb469171a7b8a8637814ae8
Manifest4f469df18e20d462b656c24df03f7ca15db7f988b4956987b7112c6f8105d874

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
Signature2K31gg3O3ajLws7nu4NPvGBo0TVgunNBTv3iSqzigc31CxUZxNYmehiYqD3ivtg5R/e8xf50ZJZJ9824PK11Aw==
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

2026-09-17T10:38:53.056366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063108
observed c48feaaf38160511ee94230371f8ae22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.039466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063108/manifest.json
observed 4f469df18e20d462b656c24df03f7ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.021652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063108/publication.md
observed 3d23e481caf633fafbcdb86970d3ff33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.002351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063108/publication.txt
observed 529c023cd9b9f7d8b53926fcadeb60bd...
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.