OpenTechnical

OT-2026-000060562

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000060562) never changes.

Identity and time

Publication numberOT-2026-000060562 · never reused
Internal UUID01a0ae8a-b7cc-7965-839a-61664d6f26c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060562
StatusPUBLIC

Content hashes

Canonical text63fae224f693a16beff5aa9b859100a08f485676746fa042f94ecd4fa05d3bcc
Markdown42600df61feccb966819de6bbb04d60a88c1f769317ea96d67b0134c6091b263
PDF
Publication pageba9fdfefb1b7a95fef041c1da2565943459876370ee26af13e4383da7cdeaa2c
Manifest0e759f46578c359e346dd8ffd64f66f4ef10b6a64248c9ce10cb9902c05f78a6

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
SignatureI8+WrhJL9WBQEGHRie2VYXX0WMzyGrDCwI8n3IEPQkToHUQC6i3k/dXCIYzGz3MRUEoed1yshDHVMrNes3nbDw==
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

2026-09-17T10:43:10.604028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060562
observed ba9fdfefb1b7a95fef041c1da2565943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.586417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060562/manifest.json
observed 0e759f46578c359e346dd8ffd64f66f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.569917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060562/publication.md
observed 42600df61feccb966819de6bbb04d60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.554330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060562/publication.txt
observed 63fae224f693a16beff5aa9b859100a0...
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.