OpenTechnical

OT-2026-000025230

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000025230) never changes.

Identity and time

Publication numberOT-2026-000025230 · never reused
Internal UUID01a0ae71-5fa6-76ef-88f3-0c364b2e6e18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025230
StatusPUBLIC

Content hashes

Canonical text6c52d92db4ea4afab3e9ae6732d3d7fef4b2a158c3d1071a30dec8fedd73c4d6
Markdownc78923b0246619cf33c6cd173126e2de346c13f35ed0c8de13773c14191cc45d
PDF
Publication page23f16ffa0782ec4c4c308024aa930fdbd1821089c1c7f9fb295df4fb06b65221
Manifeste2a53cd06ef89108cd1879c0fa1d2b0f2bd8d78968dab5374a694dee743d866e

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
SignatureLnLap+d8C+h/XBlIjbse66lK640lDSsZzMmWnUeHO8jMubHLvE34/VM/9ku4U/ubBBldYkiIKfaP26QyM97yBQ==
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

2026-09-17T11:47:14.304647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025230
observed 23f16ffa0782ec4c4c308024aa930fdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.287920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025230/manifest.json
observed e2a53cd06ef89108cd1879c0fa1d2b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.269614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025230/publication.md
observed c78923b0246619cf33c6cd173126e2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.253569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025230/publication.txt
observed 6c52d92db4ea4afab3e9ae6732d3d7fe...
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.