OpenTechnical

OT-2026-000061348

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000061348) never changes.

Identity and time

Publication numberOT-2026-000061348 · never reused
Internal UUID01a0ae8b-1384-7150-909a-d71b0108a7db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061348
StatusPUBLIC

Content hashes

Canonical text5557369a4cc14a1318bbcafd6f285f3da09baba9f91199f4864d2cf0ac9496e9
Markdownee4044c39fc74df747c47f802ebb6baa168689928c786da8336b3ad299cd1fdf
PDF
Publication page3806b38868275f2d7b76dd63e6fae9947c2ec6b1b61f66a554bd288dee2f3a22
Manifest350fab9ee29850890a8e5971c74f6d3d6637bb81ce6ee65f6a57591424c3fe2e

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
SignatureIf46dzNpZx/my66RNBMqLLpGwuYNIp5iK/6OI2UKtAS0NN7nt48t4WsQ9ZSi3xr0Cmay7Vb4O8uNlusUf04gDg==
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...

Independent retrieval

2026-09-17T10:42:47.532858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061348
observed 3806b38868275f2d7b76dd63e6fae994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.514332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061348/manifest.json
observed 350fab9ee29850890a8e5971c74f6d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.496916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061348/publication.md
observed ee4044c39fc74df747c47f802ebb6baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.477701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061348/publication.txt
observed 5557369a4cc14a1318bbcafd6f285f3d...
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.