OpenTechnical

OT-2026-000007045

Publication integrity record

Vacuum cup gripper, pump fed, pressure verified, contact triggered on the face, 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-2026-000007045) never changes.

Identity and time

Publication numberOT-2026-000007045 · never reused
Internal UUID01a0a970-aec4-70ed-8965-d23dc502ff6d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:58:49.415314Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007045
StatusPUBLIC

Content hashes

Canonical textb4f2d95a1d3e0953ff5be892b1e6a8da48c8a7cf694640d36ff1f43c2a0ec149
Markdown825cdea1ad3e46da69c4d2bb668aaa4a9884b6b5b9b9502709d321c1b101b7ce
PDF
Publication page029d4c26887c35981f5a086b466f02bdb11f8a492cdab6bd6fa4806ccd711a3c
Manifest3a0ac77d5483b730c98271bf0ef9e84837bbf0077183f9a456a33423d1d71b87

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
Signaturem2GYg+Vi5bB4MZZsKGtt62OyBmph3/ezwi5v19nw4kD786sD4cG4JTliNCsDVylnRhkM6qCgzCHfP4b7uO0MAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:08.244366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007045
observed 029d4c26887c35981f5a086b466f02bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.219486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007045/manifest.json
observed 3a0ac77d5483b730c98271bf0ef9e848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.206430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007045/publication.md
observed 825cdea1ad3e46da69c4d2bb668aaa4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.192694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007045/publication.txt
observed b4f2d95a1d3e0953ff5be892b1e6a8da...
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.