OpenTechnical

OT-2026-000058507

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000058507) never changes.

Identity and time

Publication numberOT-2026-000058507 · never reused
Internal UUID01a0ae88-f39b-7ed4-b530-76d58f353a7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058507
StatusPUBLIC

Content hashes

Canonical text529c2c400e57c734106a8aceef70a4656660361362e8936a9dfbe6e221754dfe
Markdown82c6fa3911f40c35f7ad36fe596bc477eb78e78684e9e0b9f98e3bc6071573c8
PDF
Publication page5aebf8b96f7659b29e7539b7c35ff69498e7436a98b5cd17fd06df7ee11421b6
Manifest5e942a4fdede8ae947f58476f4efe6f5790d7030d0f57533923db55040ee0b6b

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
Signature4tHscc0LJ8v8UpIrFfQjIpqvKowdfXacztd5JCoAd9/Xa9GiqO8vNfzFFoagVgAzpqhvxxxDYCbUYLExdGWGCg==
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

2026-09-17T10:46:57.933333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058507
observed 5aebf8b96f7659b29e7539b7c35ff694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.916629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058507/manifest.json
observed 5e942a4fdede8ae947f58476f4efe6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.898965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058507/publication.md
observed 82c6fa3911f40c35f7ad36fe596bc477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.880891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058507/publication.txt
observed 529c2c400e57c734106a8aceef70a465...
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.