OpenTechnical

OT-2026-000023857

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000023857) never changes.

Identity and time

Publication numberOT-2026-000023857 · never reused
Internal UUID01a0ae70-aed6-771f-91c0-bdc5e3066f1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023857
StatusPUBLIC

Content hashes

Canonical textd69e0241970b851129edfe6c8aac3b5a6dba412031476b07d2cf9cc8347de76a
Markdown6b64c7a975c51b239b0e739f0db03d83a3f2a02a6d592ee9464f675c2d3cfe59
PDF
Publication page7e6504cfaaf981f3b433c2025372ed73cf1ab6f29fe1ec7d23a77e3685b8d7bc
Manifest98c677be055f5977704f40250e2d0d3d9c5085a48b08cff625bf0f60af9bbade

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
SignatureZMFwv3n1LGzrYdFfNsB9wUC9uJ0lU7JkYYl10pdxuRIZZg/DW2cc2h67CKefsD9wGqG3CWkGCfngbFlupRwGAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:27.446112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023857
observed 7e6504cfaaf981f3b433c2025372ed73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.423814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023857/manifest.json
observed 98c677be055f5977704f40250e2d0d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.398098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023857/publication.md
observed 6b64c7a975c51b239b0e739f0db03d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.305053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023857/publication.txt
observed d69e0241970b851129edfe6c8aac3b5a...
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.