OpenTechnical

OT-2026-000063259

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000063259) never changes.

Identity and time

Publication numberOT-2026-000063259 · never reused
Internal UUID01a0ae8c-94ab-7a0f-a5e5-777ba089b8a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063259
StatusPUBLIC

Content hashes

Canonical textf38186e46d2b21621424276f3cd9e5ab980cd44191fdff2214e77623e2d5b377
Markdowna3275df4c1a7185ee85f0d1982091cde2e9b3e7880a64d4567b752755c5ef719
PDF
Publication page2da67d5184d883ad498a49104bb83ce00e2a1709541d126599df42780f758dea
Manifeste6093cb8ee5ce07325064a978b6c0b70e5ca865d9df9fb311d7fe623e47cfe66

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
Signaturerkz3FUNHsOGmAszW2jxFoURzOqgZ3+54r6RYst8VUFN5HN9F8SY02Fyg3hgYQ+Su6ub+/4K2QUv2Jder5nk3Ag==
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

2026-09-17T10:39:08.750795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063259
observed 2da67d5184d883ad498a49104bb83ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.734947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063259/manifest.json
observed e6093cb8ee5ce07325064a978b6c0b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.717109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063259/publication.md
observed a3275df4c1a7185ee85f0d1982091cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:08.700303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063259/publication.txt
observed f38186e46d2b21621424276f3cd9e5ab...
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.