OpenTechnical

OT-2026-000059888

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000059888) never changes.

Identity and time

Publication numberOT-2026-000059888 · never reused
Internal UUID01a0ae89-ec26-7aaf-a7bf-3c33236bdd6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059888
StatusPUBLIC

Content hashes

Canonical text67b490e8681dedb27ae7dba6a6c639ed71a2e1cd15a76aa86cebc563dcfffa32
Markdownde90c1ce8ecb4e3275c51f6a38be564cb3a2cfa0eb07bb0620df794dd6148d13
PDF
Publication page800f6e4128867133512c4627f5f55619960358a71b492a50ee063369ff5b902c
Manifest1a28d5eede667761f129a923fde956034d4a2f53034fc28553b0d1115b6f1ba1

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
SignatureOJRgzGgRxYeeATheYScT5P9KoC8h9JElidN8S8H2Gq9t/pJLwCzHHMLm/pcN2SWVWW4yOzfatQC3XOKrhGfACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:38.856744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059888
observed 800f6e4128867133512c4627f5f55619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.838809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059888/manifest.json
observed 1a28d5eede667761f129a923fde95603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.821698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059888/publication.md
observed de90c1ce8ecb4e3275c51f6a38be564c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.805473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059888/publication.txt
observed 67b490e8681dedb27ae7dba6a6c639ed...
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.