OpenTechnical

OT-2026-000005127

Publication integrity record

Vacuum cup gripper, common isolation valve, two stage ejector, 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-2026-000005127) never changes.

Identity and time

Publication numberOT-2026-000005127 · never reused
Internal UUID01a0a92e-b560-764a-8637-931e97269f9d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:45.731280Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005127
StatusPUBLIC

Content hashes

Canonical text2be5eebffdc994b50222b8e71efc2f130fe83c32dc9c96ce509ec54b2d299d1b
Markdown613ba14fd5e804674ca34746e2a4019c692e6bdab09f469330b6dff3f0786842
PDF
Publication pagea0e5f6ae4606b81d108cb2a93778ddb9cf9750d23e235371d436044b21cd86df
Manifest07f9db12f39ce7b50988c1ad568e2978eb10ec25d5ee406f77a5f17546e5ed5b

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
Signature8o9Fc9IH/CICGEkLG6JC+5lr8sfVcWx9Ad2PSFU9LUfy0Pz7eEuf2w1EZD0VusK3lgszIeArDBVnt7j+6hb1AQ==
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

2026-09-16T07:50:12.483100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005127
observed a0e5f6ae4606b81d108cb2a93778ddb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.467625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005127/manifest.json
observed 07f9db12f39ce7b50988c1ad568e2978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.454408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005127/publication.md
observed 613ba14fd5e804674ca34746e2a4019c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:12.440214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005127/publication.txt
observed 2be5eebffdc994b50222b8e71efc2f13...
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.