OpenTechnical

OT-2026-000049036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049036) never changes.

Identity and time

Publication numberOT-2026-000049036 · never reused
Internal UUID01a0ae81-134d-7792-a04f-80e3e3ee453f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049036
StatusPUBLIC

Content hashes

Canonical text94866b12712456b160d0ba437ecdd4fa183b5b7d6109167202a9f6c33d8c3a45
Markdown168510945f6d358362f57b7e8c7fa1c68050ed42a60155aad2a4564af7ba2f2b
PDF
Publication page7d2a0459d97a5fe9f8cc23bad0eb2ff3e76abe7f4ab7be9ccdb924e0f69ca38b
Manifest72b7922b1561b188dda85c42fc438a888dcbd4b4e83dd3b912a6066fd46df38e

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
Signature09rYRJlLZqiBSXQqoqPtZR2hJ4I054zV2VmxUYZe1MIKcn8cwbvS1KKYHK3+plcyq6TbDptQmHb2cTLq7HGzAQ==
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

2026-09-17T11:03:15.514474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049036
observed 7d2a0459d97a5fe9f8cc23bad0eb2ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.498323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049036/manifest.json
observed 72b7922b1561b188dda85c42fc438a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.480879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049036/publication.md
observed 168510945f6d358362f57b7e8c7fa1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.462995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049036/publication.txt
observed 94866b12712456b160d0ba437ecdd4fa...
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.