OpenTechnical

OT-2026-000013463

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000013463) never changes.

Identity and time

Publication numberOT-2026-000013463 · never reused
Internal UUID01a0ae6d-6fca-76d3-b77e-73bc7764fef8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013463
StatusPUBLIC

Content hashes

Canonical text551d178bc02d2c0e9d6d5da6e906621403bdf13ee2fca3445bde012c55386fcb
Markdown6ab403ae5cc8d14e3820119912805954ac60ef1df7e4ffef0f3e98863f9bb199
PDF
Publication pagec3e9430e6d1fccbe025f60463dd520dc187fa59fa6d207de7457b0e8f77bf908
Manifest7a74bea0ff2723a64a259bc788100722715d22c100a9a016a730923976c0d595

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
SignatureVd4yC9j8ES0Y7Ac/HTlDUNMdDjDV89xX7VRywIHKwsuN3eTPYYcWOsW6pWnFULALDbjCJhcSvQgDndEmvCy+Cw==
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

2026-09-17T12:09:57.628982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013463
observed c3e9430e6d1fccbe025f60463dd520dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.609352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013463/manifest.json
observed 7a74bea0ff2723a64a259bc788100722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.585740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013463/publication.md
observed 6ab403ae5cc8d14e3820119912805954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:57.566585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013463/publication.txt
observed 551d178bc02d2c0e9d6d5da6e9066214...
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.