OpenTechnical

OT-2026-000053259

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000053259) never changes.

Identity and time

Publication numberOT-2026-000053259 · never reused
Internal UUID01a0ae85-0a14-7fd4-aa8a-5e5de1ae6a78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053259
StatusPUBLIC

Content hashes

Canonical textdd66917898f86209aac4eff497252d5b7583235af4b18386261fcfc23d465ab6
Markdownebeb5345b561e07b12f5bdd7672744666b3b4491524d6108ad3e25a4072a74d9
PDF
Publication pagedbbe1124596589d925e6401639d7e739798c81dae647a08e6a80a1f878c2d63c
Manifest0df571c9399f404f38f8e53ac7ad7f1351011e49059dd5c9e055d0cd3b4f55ec

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
SignatureZSlfP65OLwNgg/OhxmvT66sIFZ3Y1DCQ/dPISCzg4dNMUPCFwemP3KDbS54TYA/ReBumDVXQ3Q1fvG+Qh8D6BQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:58.766735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053259
observed dbbe1124596589d925e6401639d7e739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.748647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053259/manifest.json
observed 0df571c9399f404f38f8e53ac7ad7f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.727620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053259/publication.md
observed ebeb5345b561e07b12f5bdd767274466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.575826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053259/publication.txt
observed dd66917898f86209aac4eff497252d5b...
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.