OpenTechnical

OT-2026-000048136

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000048136) never changes.

Identity and time

Publication numberOT-2026-000048136 · never reused
Internal UUID01a0ae80-4de1-7ffb-8faf-a12def9fa19c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048136
StatusPUBLIC

Content hashes

Canonical text06678dc083e6e98bbe999d4e374a7089c3942f72d7006931ee89f5d5782a139e
Markdownc15b7ac58cd03cb7abeffa1fab163e5c0dc665cac8a93c0098353412e6de559e
PDF
Publication pagec15e50956f743f42950844f1c760d6aaffdb64643364c9f853bd16e916c8ce73
Manifest03ca71b2b73012239e78f59f917adae5ee7bc412b3401e2d8071f813c8e2f57d

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
SignaturetaA240j1Fl6d5vXOj7I0oSNBMHJiU3oXvBMan+bS/SqCgCXGFbRytEk884qas+GJYJ6aKq7lxYsECDxV+FJ5BQ==
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

2026-09-17T11:04:39.279263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048136
observed c15e50956f743f42950844f1c760d6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.260909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048136/manifest.json
observed 03ca71b2b73012239e78f59f917adae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.175864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048136/publication.md
observed c15b7ac58cd03cb7abeffa1fab163e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.032115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048136/publication.txt
observed 06678dc083e6e98bbe999d4e374a7089...
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.