OpenTechnical

OT-2026-000060770

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000060770) never changes.

Identity and time

Publication numberOT-2026-000060770 · never reused
Internal UUID01a0ae8a-b7d0-7bcd-be00-aac777d22e76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060770
StatusPUBLIC

Content hashes

Canonical textaf0529be134742d45052458a2bb10970098f5dd7afb3c9e1f78c697680282fca
Markdown5bce19c88b97c7965f9483a6eb7f1bad75c9e91fb0cff2005d356c9026ff6373
PDF
Publication page4583fcf7505c4fe1b320d85b7405d23a9bf9a2c02b595de38b5e55258540d04a
Manifestdfeecdf97c9c71dfcba27485e902d3a1db96d386d0276366efa8ccc589612277

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
SignatureoPNX183vVbHWTuZnrp/IaVsEBpTL0NCPPtoUcPmBElNLD0rPXqadCTOk+6dROsjxyGfvflfLHTY64WpMbR5VDw==
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

2026-09-17T10:43:30.643064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060770
observed 4583fcf7505c4fe1b320d85b7405d23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.624612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060770/manifest.json
observed dfeecdf97c9c71dfcba27485e902d3a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.605693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060770/publication.md
observed 5bce19c88b97c7965f9483a6eb7f1bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.584142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060770/publication.txt
observed af0529be134742d45052458a2bb10970...
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.