OpenTechnical

OT-2026-000013902

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000013902) never changes.

Identity and time

Publication numberOT-2026-000013902 · never reused
Internal UUID01a0ae6d-8dea-7443-bda8-18abeab62377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013902
StatusPUBLIC

Content hashes

Canonical textca437331ddd65822aa6d33e78c1e05002d216846d051cfedc0c07cf2d022c6f3
Markdown7b66ebb8a3dc48f3eebe1b436bfd107708145e9117ea983b7f7484ff7d45ddf7
PDF
Publication pagef34a73f31f75a3f88f3f646becfe52b4554578e2ab1473a83cad1af526b24a57
Manifest20038110faeccc0a40a5fabffa7cf8c96ac54e701b2189e4be5b006665d65415

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
Signaturelv8hEj8wBiASXGvAivMLxy0hUrsS9Uz54KLZPwmYG8X0ssmcqcln6JZNxRp/dl4VuKrp6kdNi155eIgy98rWCQ==
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

2026-09-17T12:09:01.743858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013902
observed f34a73f31f75a3f88f3f646becfe52b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.725682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013902/manifest.json
observed 20038110faeccc0a40a5fabffa7cf8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.704891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013902/publication.md
observed 7b66ebb8a3dc48f3eebe1b436bfd1077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:01.683930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013902/publication.txt
observed ca437331ddd65822aa6d33e78c1e0500...
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.