OpenTechnical

OT-2026-000005335

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, contact triggered, vented 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-2026-000005335) never changes.

Identity and time

Publication numberOT-2026-000005335 · never reused
Internal UUID01a0a935-cec8-7269-8321-5a09abfc1efa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:30.987106Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005335
StatusPUBLIC

Content hashes

Canonical text2870edc81b3c6b9d4accf9d6fe910769fa1fea56dbc1c8515c8775be8a937602
Markdown8983c5d273a50d91e3c5838a772b0c19583b0c2679cedf03775e3931d432bad6
PDF
Publication page13d6486437c23527cdc8dc37056bc0381d213319a1e89dbec39962646991aa7f
Manifest80773f8d014893d6df3e642d65129e5bcfdb28b2af22acd458d3720db5395ba9

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
SignatureWhmUzBUfY1Pt89y6VIG1Mqn8S9EktnjCWDVM3RXoqueufuXb7Yxv9PmZMWYCcAWKXK/SeBchtCwOWlVZ+WLFAA==
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

2026-09-16T08:00:21.241971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005335
observed 13d6486437c23527cdc8dc37056bc038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.227910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005335/manifest.json
observed 80773f8d014893d6df3e642d65129e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.215020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005335/publication.md
observed 8983c5d273a50d91e3c5838a772b0c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.201128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005335/publication.txt
observed 2870edc81b3c6b9d4accf9d6fe910769...
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.