OpenTechnical

OT-2026-000025085

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000025085) never changes.

Identity and time

Publication numberOT-2026-000025085 · never reused
Internal UUID01a0ae71-2729-71b3-a101-16f12230f58d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025085
StatusPUBLIC

Content hashes

Canonical texteb3935a6e42392db26c52d7cbe1874f09fb31d02f7a0be4873b7531c8a156b67
Markdowne851f3768277fb0805180ed5732843a16ef09fdccdc35d7bb7a71e40672b82cf
PDF
Publication pagecb78e7a990dbe29bf5eca901445df4efd5bb794406be24774b3a873d60263ffa
Manifestcfda460c97261b3e46d79f2750d8fc036904a9e345908b9fb52c3bdf6dff8be2

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
SignaturebecEcul61VRpnFxjuKZ67453fLVnCzJbJlHVAOgJkEnpXU5nNxJ2mojOGcFZNiE2gOnDyEoch3T0wX83YjfyCQ==
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

2026-09-17T11:48:30.156506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025085
observed cb78e7a990dbe29bf5eca901445df4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.137663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025085/manifest.json
observed cfda460c97261b3e46d79f2750d8fc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.120552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025085/publication.md
observed e851f3768277fb0805180ed5732843a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.102992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025085/publication.txt
observed eb3935a6e42392db26c52d7cbe1874f0...
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.