OpenTechnical

OT-2026-000053500

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000053500) never changes.

Identity and time

Publication numberOT-2026-000053500 · never reused
Internal UUID01a0ae85-0a92-7b14-b6d1-a642a63b757d · 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-2026-000053500
StatusPUBLIC

Content hashes

Canonical text097b1875580d013ffff1e7da59ac4771109eda6172de164aa518887d280103a5
Markdown0f4023be21efdb505d21c700d9dc92eb886878c21ab2438ef6c2edb1422d2d78
PDF
Publication paged6e81feae91bcb6ebfdbabf9ea9e6ce09cee5849c20bcdde01cca2ca7725f918
Manifest29172fe96a41cc3c12477163d75ad8560ae5eb5aa7c6b36c3386ef02ddbab08b

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
SignatureKS+z1JTURf2Mk4CjYSXjb+EmE1tpxcRXfy70/pH2osR7/sIlGMYA7hsWPmCB8pdQQVvVu97HDdm5pRNDBc6nCw==
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

2026-09-17T10:55:20.520061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053500
observed d6e81feae91bcb6ebfdbabf9ea9e6ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.499184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053500/manifest.json
observed 29172fe96a41cc3c12477163d75ad856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.480093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053500/publication.md
observed 0f4023be21efdb505d21c700d9dc92eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:20.462268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053500/publication.txt
observed 097b1875580d013ffff1e7da59ac4771...
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.