OpenTechnical

OT-2026-000004755

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, ejector fed, contact triggered, rubber 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-2026-000004755) never changes.

Identity and time

Publication numberOT-2026-000004755 · never reused
Internal UUID01a0a922-545a-7b72-b26a-1ef7ed219caa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:33:14.461559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004755
StatusPUBLIC

Content hashes

Canonical text4bf4f0a80853bb367c70bf389cf748b274d787ccc1e08aec610c3894decb1e18
Markdown36c23e2a3a5fa94e0175a19bdab7934ac28876794714038b4368cd1ea5babec1
PDF
Publication pagee66b9d9eb157ab2327e42244f3cd08eaa53779c1a045ba773e433d54ad507690
Manifest2a898cbdc9b1e920b0a82a02bc1670ead82f77e3c87701b4ce3e5898c7e619a3

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
Signaturen1tqyRASvGkQny81wzr8XwHxkpgv3J9rPbi+/EL2AwOSI0wIGXSQZOSUeHufXeVEdknqwyhIXuJ1VZuTAg01Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:22.449375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004755
observed e66b9d9eb157ab2327e42244f3cd08ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.436749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004755/manifest.json
observed 2a898cbdc9b1e920b0a82a02bc1670ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.423007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004755/publication.md
observed 36c23e2a3a5fa94e0175a19bdab7934a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:22.408738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004755/publication.txt
observed 4bf4f0a80853bb367c70bf389cf748b2...
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.