OpenTechnical

OT-2026-000063420

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000063420) never changes.

Identity and time

Publication numberOT-2026-000063420 · never reused
Internal UUID01a0ae8c-f944-7306-a505-f4c92ef26e93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063420
StatusPUBLIC

Content hashes

Canonical text6ab8cb5824274d900d218442dc72a538634cda21125282a0318477b927016f92
Markdown79540af69ca2cc793099540fb87207541f907a56111257d35624f4ad05007182
PDF
Publication page03c186ee0775e7564dd2b23ca7b991382237c861eb34cee14e3eeaff9b94c70d
Manifest13f7d9403cb8736e1db3b6be19392cbbf4da20411cceb65305d0c4ed132ee374

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
SignatureCAIOu7QqD5zvrqZFi+rvf1sjZfBE5Hg5K79VDPCtq/W64onbEaDfwokw1jWMl4qxvmQMXmwcuaBrmp042x/bCQ==
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

2026-09-17T10:37:20.541244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063420
observed 03c186ee0775e7564dd2b23ca7b99138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.523186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063420/manifest.json
observed 13f7d9403cb8736e1db3b6be19392cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.507271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063420/publication.md
observed 79540af69ca2cc793099540fb8720754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:20.489732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063420/publication.txt
observed 6ab8cb5824274d900d218442dc72a538...
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.