OpenTechnical

OT-2026-000059952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000059952) never changes.

Identity and time

Publication numberOT-2026-000059952 · never reused
Internal UUID01a0ae89-ec26-7ad7-a841-e2dbccbe113e · 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-2026-000059952
StatusPUBLIC

Content hashes

Canonical textb19360a1e8950d961e18618ee65ff65e5b3cdc70a75df196c75be2dd9e8d3e9b
Markdown8e8650a7584070bdb2b4cecf0389531125f4b9637e512c8e87cf4bc0fd87492f
PDF
Publication page8a4a32f4e4e967ee703876a5cd45e480066aba4468236b433d030a13f0c076fb
Manifestdc7f0ee20156ef2942de7f96f6d1b08fea1a3ecd9086d3ea75a0ed1a65a01bb6

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
Signature5nEtbgeLh2VZZ0SrzG+Hm13Ou2PcvQK151nuPpZLOO48faEJhf/r5ne1bfhXkU4PrxdxfKKwB7szlMKqA3LRDw==
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

2026-09-17T10:44:43.924747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059952
observed 8a4a32f4e4e967ee703876a5cd45e480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.907145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059952/manifest.json
observed dc7f0ee20156ef2942de7f96f6d1b08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.890231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059952/publication.md
observed 8e8650a7584070bdb2b4cecf03895311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.871114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059952/publication.txt
observed b19360a1e8950d961e18618ee65ff65e...
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.