OpenTechnical

OT-2026-000005610

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified, contact triggered on the face, silicone cups

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-2026-000005610) never changes.

Identity and time

Publication numberOT-2026-000005610 · never reused
Internal UUID01a0a93e-ed83-75d0-908c-9ff20eef2b18 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:28.678183Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005610
StatusPUBLIC

Content hashes

Canonical textf5fc3b0c07c5f608a87a33f220d437156c3e8962194527ac7b3b82f04fde6f5f
Markdown17bb5f599313457f12459a92661234b4b7a238a9a63857889346571d3279da4c
PDF
Publication page0f7a92a2b2368b04dce882fbb13a9fcbd7fd54e98f046d3572eca51971325386
Manifest6a3809145208e08d3770b0ce225628a3f415fe8d1ef950ca083d9762e5bb442a

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
Signaturehb5DE0vQyJeebCe4IcVWDNCwMaB1XfhUwc7T8zLlU1lAig9JRp3nDwqbZXFmJ73muCC7iOmV1oM7J69LK8CvDQ==
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

2026-09-16T08:10:21.000532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005610
observed 0f7a92a2b2368b04dce882fbb13a9fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.987184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005610/manifest.json
observed 6a3809145208e08d3770b0ce225628a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.973677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005610/publication.md
observed 17bb5f599313457f12459a92661234b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.960312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005610/publication.txt
observed f5fc3b0c07c5f608a87a33f220d43715...
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.