OpenTechnical

OT-2026-000078409

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078409) never changes.

Identity and time

Publication numberOT-2026-000078409 · never reused
Internal UUID01a0ae95-7c28-749c-a236-20110cbed71f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078409
StatusPUBLIC

Content hashes

Canonical text5f752bbac4fbbc65a71ccf8e5f358955da4a491644db6e4cc55a46d8d6ba4e62
Markdown88bc79b040fbe81e7f80fd5dc1fc4068bde749258b49311c06212e9a9ff10c92
PDF
Publication page0a947119d4a5b1a7607031145a9440a76bd0c7f7153ea56b998469c878d73637
Manifest6ec256373a03e97676336fe205f222ebd59201e6df3d6f5cc1f888886cf102c9

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
SignaturerEx+ip8EFP82gPCXNtg6tqr4hwYu7TXFkymajvnz22mUlANAirwsVzOAC6hE2RHQuXZmcC2vhZsNnZwj2A8UDQ==
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

2026-09-17T10:06:24.060319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078409
observed 0a947119d4a5b1a7607031145a9440a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.042672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078409/manifest.json
observed 6ec256373a03e97676336fe205f222eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.023887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078409/publication.md
observed 88bc79b040fbe81e7f80fd5dc1fc4068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.004511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078409/publication.txt
observed 5f752bbac4fbbc65a71ccf8e5f358955...
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.