OpenTechnical

OT-2026-000066081

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000066081) never changes.

Identity and time

Publication numberOT-2026-000066081 · never reused
Internal UUID01a0ae8e-8dc2-72bb-8620-d93aa1c0bd98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066081
StatusPUBLIC

Content hashes

Canonical text62f873af0f5ae7dcec37e979db9c607ff429d27a7dbd523823f34ff742a03ed2
Markdown85b97d10125f63028facf8ceef66f8f0d738099d21a38519d6a1417a664ae146
PDF
Publication page3ce6e954ffd768f8ed9ff5e31ee5d3950e89f01025fe7b32377a6e29273afda5
Manifest99879a85bcbf26b6bb73aa36417fa2e25fb9bedd4e1a95cedeaf271626b1b831

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
SignatureVsrazRNUWkCIfTaVCF7ZP847/Itpw+PaLcxrQjvUcMx1ZpYp5hPlOzdbgb5o7TcCA0VcUyBfJndkLEbv9RQMDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:44.843080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066081
observed 3ce6e954ffd768f8ed9ff5e31ee5d395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:44.822037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066081/manifest.json
observed 99879a85bcbf26b6bb73aa36417fa2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:44.801216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066081/publication.md
observed 85b97d10125f63028facf8ceef66f8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:44.775211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066081/publication.txt
observed 62f873af0f5ae7dcec37e979db9c607f...
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.