OpenTechnical

OT-2026-000005787

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, 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-2026-000005787) never changes.

Identity and time

Publication numberOT-2026-000005787 · never reused
Internal UUID01a0a944-e00a-7bc0-af8f-06fbdf072231 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:58.445116Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005787
StatusPUBLIC

Content hashes

Canonical text28b81fa97ded0290c20943c82cffdb4d9b6f746b104af0250159b4ebf64ef866
Markdown416caf3e0bdfe719b4ba48fd84bb29b02c046e8a353b642ad6952f094eecb183
PDF
Publication pagebd917de4af7db4fc0dcaa115412123553841a5579cc0ab85ae46db3773faeb25
Manifest0659657bc1f0bd2b149756b625cf60a082be7e9ac684e719f49f950c4bcb1f8c

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
Signaturel6oTC7PICIShzmZWMTcish7WRTI5Thd+iX2IlOmnV+VYV/nwi3BufJ/jD2JT9+s7e5Fl5VWUeENM6sHESs89Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:32.950927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005787
observed bd917de4af7db4fc0dcaa11541212355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:32.937528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005787/manifest.json
observed 0659657bc1f0bd2b149756b625cf60a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:32.924615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005787/publication.md
observed 416caf3e0bdfe719b4ba48fd84bb29b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:32.910801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005787/publication.txt
observed 28b81fa97ded0290c20943c82cffdb4d...
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.