OpenTechnical

OT-2026-000060833

Publication integrity record

Four cup 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-2026-000060833) never changes.

Identity and time

Publication numberOT-2026-000060833 · never reused
Internal UUID01a0ae8a-b7d1-708f-8405-acbe10a67cfd · 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-2026-000060833
StatusPUBLIC

Content hashes

Canonical textfdc72b71a5ca597dcf598e5b454cebe3cd5d214a160337e9a5b4ebc51e45d034
Markdown219e380fdd312313dfca68f5cec5d209b53d60601a47a21ad4a2b7dc21be13b2
PDF
Publication pagecd05ca39b7a224f503d7107a35ff48b3689f8dc28585a78bfdf52009871969e1
Manifest93e6495e5c4ed0d113147b18eb010577cebc10a59ddc4e62c88f76d1c44ade5c

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
SignatureJ1T5l7u2TVIJxb7sOAaPQrSmQWuCcNIOlq+ET66+nhWGgU+k/Yxti6Qege6cdNKRfE+ma8e8h6Rv1l4WoJOmBw==
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

2026-09-17T10:43:35.217952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060833
observed cd05ca39b7a224f503d7107a35ff48b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.200007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060833/manifest.json
observed 93e6495e5c4ed0d113147b18eb010577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.181285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060833/publication.md
observed 219e380fdd312313dfca68f5cec5d209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.161981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060833/publication.txt
observed fdc72b71a5ca597dcf598e5b454cebe3...
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.