OpenTechnical

OT-2026-000033322

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000033322) never changes.

Identity and time

Publication numberOT-2026-000033322 · never reused
Internal UUID01a0ae75-8980-720b-9c11-e93a7e40911f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033322
StatusPUBLIC

Content hashes

Canonical text18eac84cb7a6e7a2e667b66cc794baf526914d47296d7b47e9fa667127824871
Markdownd7200312170220a3679081494684bf88f9be91b5421eca86a0adbbaf3957e9f1
PDF
Publication page9ba5be188a13b256094f31d6c3baa4fea5856d68cdf3f7c2da5041aab9898e36
Manifestdf39a08c32aef682ca4b7ef4b04517b06616ad1e272b5088121a612ce98ead83

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
SignaturePS/CM2kYNrM124UAuWMxLfARMJVeys6OGrqkI5b+xakNzDAPLh2kMQid8xRXoii/gik0CSNNENka0merbw8+Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:32:04.425164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033322
observed 9ba5be188a13b256094f31d6c3baa4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.406468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033322/manifest.json
observed df39a08c32aef682ca4b7ef4b04517b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.388982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033322/publication.md
observed d7200312170220a3679081494684bf88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.368864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033322/publication.txt
observed 18eac84cb7a6e7a2e667b66cc794baf5...
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.