OpenTechnical

OT-2026-000005582

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, pressure verified, contact triggered

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-2026-000005582) never changes.

Identity and time

Publication numberOT-2026-000005582 · never reused
Internal UUID01a0a93e-015b-7690-b26d-cd0ba8ddcac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:28.221657Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005582
StatusPUBLIC

Content hashes

Canonical text8f31d2dd91b1dd2c49a234b18f0b51f0babedd58c707360350f66bed3e13903e
Markdown06b1634e205ae501897dff5eb28532c738a8c75f4895d497a91dccf5409a98d1
PDF
Publication pagece9f8b46b7501d52088c25f2837be87523b9f8bc5b1f4afee0af921064201023
Manifest52d97732681833543d0e3385ac25d2fc495f67dc62519b6bb74b81ce7f92e4be

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
SignatureQX/fETbm1DLoxXOPxqSFBS26xwhjuLCX16Al5Kd/HtEinOSlRV4u/piTj11T56OTcfeiMCZm9wWAkLQpVlzwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:24.197590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005582
observed ce9f8b46b7501d52088c25f2837be875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.183131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005582/manifest.json
observed 52d97732681833543d0e3385ac25d2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.168643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005582/publication.md
observed 06b1634e205ae501897dff5eb28532c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.155308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005582/publication.txt
observed 8f31d2dd91b1dd2c49a234b18f0b51f0...
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.