OpenTechnical

OT-2026-000099013

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000099013) never changes.

Identity and time

Publication numberOT-2026-000099013 · never reused
Internal UUID01a0aea2-8287-7828-a2f2-e124979069f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099013
StatusPUBLIC

Content hashes

Canonical textf02fffd6bbbd1a08324b37a6b92533e01ed9db45b3e633ad64b05565eb88e722
Markdown526bf09df03ac202a775b06dad709351ba7c5a2202bbcd14000b21101395bae0
PDF
Publication page4b985b2fb4dc169104cda9613380e29500281020e4c16a53e5edc13836d8ba93
Manifest4c387350928ca6c996c28d8d0b98c7a6a0df4754b2c88658fea77289312ecc66

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
Signatureqx/szRbpuKasMkv/YhTZOo49vcGD53u6AZrPELduQknL30vMv7aS0MrXLXStMSQHaJERU190BZnsv8oqkNGCCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:06.026818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099013
observed 4b985b2fb4dc169104cda9613380e295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.009435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099013/manifest.json
observed 4c387350928ca6c996c28d8d0b98c7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.986820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099013/publication.md
observed 526bf09df03ac202a775b06dad709351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.969555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099013/publication.txt
observed f02fffd6bbbd1a08324b37a6b92533e0...
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.