OpenTechnical

OT-2026-000007378

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, pump fed, pressure verified, plastic cups, two fold

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-2026-000007378) never changes.

Identity and time

Publication numberOT-2026-000007378 · never reused
Internal UUID01a0a97c-a78b-7ae7-9824-7da327515f03 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:53.997975Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007378
StatusPUBLIC

Content hashes

Canonical text6c6c44e5bba0efce9cd833701ae92196ea2fb758695dddf20bbdce4105591494
Markdown395626f74dbd8dc2029030dbe83e3985a71ad6f6c2ca9b62849a92b78e318549
PDF
Publication page4b08dfc036157eb8c621a6c944fb9d92d51e0fafa9c2bf26745220c5c29751d0
Manifest39b7ba0f14b7bd57ac0338e87ba6e348f658715d38da57a85bb2b21cc270737c

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
Signature2z6cdeQbAHvQdqERLf3lWIZoF9vzjuYimyZMmfYJ5LlP5V4sxzEG90on7M98w7iZzDLcM13zTDk2nudNCFjwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:08.738225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007378
observed 4b08dfc036157eb8c621a6c944fb9d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.726675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007378/manifest.json
observed 39b7ba0f14b7bd57ac0338e87ba6e348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.713691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007378/publication.md
observed 395626f74dbd8dc2029030dbe83e3985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.700973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007378/publication.txt
observed 6c6c44e5bba0efce9cd833701ae92196...
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.