OpenTechnical

OT-2026-000006232

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, pressure verified, open cell

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-2026-000006232) never changes.

Identity and time

Publication numberOT-2026-000006232 · never reused
Internal UUID01a0a953-cf5c-7681-b339-a83241fcd385 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:17.214445Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006232
StatusPUBLIC

Content hashes

Canonical text566703b66eec19f95ef60d0597360cdc3a64267734c43805cc5909f1f7cc32bc
Markdown9c06bdfaeb93a6781f3e094f43cab74f62e276bb2085ccacd02b5029afd1c36e
PDF
Publication page2df2347fc0327356439bcf858594034de5fc7259a5b7cc46adaf529e472307f0
Manifest9e12f243cc8e5bcaee174aebf9bd1e780dbf4d3f5a891761bb7ae3a28fd1e3e5

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
Signaturen7KGfS4VMGPBqO0ug3aY00utenhNWY/nnCQB9vZ+ZVW891sps3ImZaL9PO/99hwWb82B/Bavxr6FuQDA+nboCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:12.188561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006232
observed 2df2347fc0327356439bcf858594034d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.175510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006232/manifest.json
observed 9e12f243cc8e5bcaee174aebf9bd1e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.163174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006232/publication.md
observed 9c06bdfaeb93a6781f3e094f43cab74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.149854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006232/publication.txt
observed 566703b66eec19f95ef60d0597360cdc...
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.