OpenTechnical

OT-2026-000053673

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000053673) never changes.

Identity and time

Publication numberOT-2026-000053673 · never reused
Internal UUID01a0ae85-0a95-7b9f-8f20-20633c9a9aaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053673
StatusPUBLIC

Content hashes

Canonical textc6a0f0713b313ebe064fd4ea27c7f1f53ea418e5060c7583e62662b2c3b5b0e6
Markdown8ed59647eeb1c977bbe5162abdef74c19f053a4aa73dc54e2629f753005571ae
PDF
Publication pagee635863bc6458e7f4643c7901cfce1c33c295dd39aa731faa50a166fce9b4ec2
Manifest901890cff9be01c1f410bbf593c4b6437d882fb458e26f740c88351049349452

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
SignaturePdm5N2bMdPGR4+kEactQLh7ifcOM2fU7ovc0aDPk4herrxMYV8rGv5ZEqc6yb5L52ehPTBSnu/AjWFQb0aJQBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:34.051306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053673
observed e635863bc6458e7f4643c7901cfce1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.030437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053673/manifest.json
observed 901890cff9be01c1f410bbf593c4b643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.009929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053673/publication.md
observed 8ed59647eeb1c977bbe5162abdef74c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.990233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053673/publication.txt
observed c6a0f0713b313ebe064fd4ea27c7f1f5...
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.