OpenTechnical

OT-2026-000005547

Publication integrity record

Vacuum cup gripper, six outlet manifold, ejector fed, pressure verified, 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-2026-000005547) never changes.

Identity and time

Publication numberOT-2026-000005547 · never reused
Internal UUID01a0a93c-c125-7a14-b0a8-33efeb6c84ed · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:06.249091Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005547
StatusPUBLIC

Content hashes

Canonical text4ae0532b2ed7af179872959e653f57aa356c46003e253d8051a450af01b38d7f
Markdown0c2ee0467c0af1ded95ce834219334a812c9bf8d3fab89473d37c81e324672ab
PDF
Publication page0e7f67415201dd63e0ebf503cd87ed519e3a64460e5467116d4d95d3bdadad54
Manifestdf4efa838e100a1b9b45a8c1d920c959638e53b7e70a47ff90c606c95112594a

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
SignatureUa3jAzRsc58JJbtMVZdRJAFY8P6rrTVmgqzBW26TA+bVob5xkiyh5Yt5zcwKMb2bwKrmYb1GwVdhAF5GlbWBAw==
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

2026-09-16T08:10:28.158082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005547
observed 0e7f67415201dd63e0ebf503cd87ed51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.145473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005547/manifest.json
observed df4efa838e100a1b9b45a8c1d920c959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.132621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005547/publication.md
observed 0c2ee0467c0af1ded95ce834219334a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.002309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005547/publication.txt
observed 4ae0532b2ed7af179872959e653f57aa...
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.