OpenTechnical

OT-2026-000040253

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040253) never changes.

Identity and time

Publication numberOT-2026-000040253 · never reused
Internal UUID01a0ae79-2700-7c36-937a-97c1b70ed7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040253
StatusPUBLIC

Content hashes

Canonical text07a796d0a5c6fabf58fd203e4fa9845b84f13a2d3f3cd83b7a39fdcb91997c1a
Markdown1c78ec2270757e82b88b1701c01e77c5671e65386eef20f9102fc367357470ad
PDF
Publication pagee79dbd204bd0e751081a6c26f1c6969615445be52a953da40b35887b61ffe665
Manifestd239f86147d4832d67b183b32f24c424b90d46cdb3e839cdcae0bfa31c05b579

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
SignatureW6Dmn2X/rJo9FUYtNznp8qorYa1AOMJLzP8akn1KvU9SY8sqbQbwZ5sPpJOn6d7abY4Nl7fBYJ0i3N2TOfUTDQ==
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

2026-09-17T11:19:08.966653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040253
observed e79dbd204bd0e751081a6c26f1c69696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.948587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040253/manifest.json
observed d239f86147d4832d67b183b32f24c424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.930453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040253/publication.md
observed 1c78ec2270757e82b88b1701c01e77c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:08.911446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040253/publication.txt
observed 07a796d0a5c6fabf58fd203e4fa9845b...
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.