OpenTechnical

OT-2026-000004555

Publication integrity record

Vacuum cup gripper, two outlet manifold, three stage ejector, contact triggered on the face

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-2026-000004555) never changes.

Identity and time

Publication numberOT-2026-000004555 · never reused
Internal UUID01a0a91b-d32d-7329-9193-2c7a3c2ac365 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:26:08.176661Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004555
StatusPUBLIC

Content hashes

Canonical text7bd7dd2341b58926f99b8375310715a81318c723a5dbd222464e7b6bacd03dae
Markdownbb3aadbd74ce05df7b8774498c34ea0b716c095fa045e5649da8fbd4e1f6535e
PDF
Publication pageb2b10ad2e7e93d2b646d061dd4afd7ee70203f80598ff9c4c5a7b3bac6917f70
Manifest2cbd0510f7cd2774860be756f88a63c9700d18965121ab657bae0d555eb30af9

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
SignatureE3ceh1nxH6OLjGHCAi670FgMBHVCLvoTxmIlxpVB9hw0u3iev/x16nOdUZlamaTpi+m3gEaC+XTmDfpeUQjaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:15.219608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004555
observed b2b10ad2e7e93d2b646d061dd4afd7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.207605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004555/manifest.json
observed 2cbd0510f7cd2774860be756f88a63c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.196415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004555/publication.md
observed bb3aadbd74ce05df7b8774498c34ea0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.185963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004555/publication.txt
observed 7bd7dd2341b58926f99b8375310715a8...
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.