OpenTechnical

OT-2026-000061860

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000061860) never changes.

Identity and time

Publication numberOT-2026-000061860 · never reused
Internal UUID01a0ae8b-b8ac-7590-9519-3a8c343e86d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061860
StatusPUBLIC

Content hashes

Canonical text9278288b53304311977fd1e1a606abac72e88dfdb59e836b27874423409f7f5b
Markdowne36c578306186623ac3c96dd766d4d360ad71e44291ae164030f29eca65e8e59
PDF
Publication pagecc96fbeca56f79e19f382b01a681b6519b4a17f72e84dd1f25ab095d67f8e304
Manifest14a28c47908851affeea28b7b7bcd4529d5cb05cc4575db236825e2d184c463f

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
SignatureQ27F3JmyNtjZfmh5dJWPD6WiiBJ2HcoZQb0hfABSMUc/R867gjM7W7d3iVQddbaL3tfqBvj42Pm5tXSekRkpCA==
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

2026-09-17T10:40:42.968315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061860
observed cc96fbeca56f79e19f382b01a681b651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.947057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061860/manifest.json
observed 14a28c47908851affeea28b7b7bcd452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.926165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061860/publication.md
observed e36c578306186623ac3c96dd766d4d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.904680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061860/publication.txt
observed 9278288b53304311977fd1e1a606abac...
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.