OpenTechnical

OT-2026-000013889

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000013889) never changes.

Identity and time

Publication numberOT-2026-000013889 · never reused
Internal UUID01a0ae6d-8dea-7d78-a381-5ae5ba77e181 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013889
StatusPUBLIC

Content hashes

Canonical text74e6a8ffa05857c6896d925ec28c12abee7c71054261f290a932b446133070ae
Markdowne969c8e093918b20a8ca66aea630a730e74401e5377f5c428c822ed0b824688c
PDF
Publication page1a30b869fb150f26811200ab2e4b03fd431a0623da4ed65fd89c05db1e3de307
Manifestd437297eb18ad4572996641a27987e4fb462fab8dd740938668d28068bd05ea3

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
SignatureFoEBlpRjZNRW7wft9UX6+pX0J5E1xP0rXnijgeUjTEJafmz6nzCXEiZ9QrMXz5AoBXpwBtf3Q9QOuQ5xoQmfBw==
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

2026-09-17T12:09:00.710214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013889
observed 1a30b869fb150f26811200ab2e4b03fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:00.691965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013889/manifest.json
observed d437297eb18ad4572996641a27987e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:00.671993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013889/publication.md
observed e969c8e093918b20a8ca66aea630a730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:00.653236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013889/publication.txt
observed 74e6a8ffa05857c6896d925ec28c12ab...
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.