OpenTechnical

OT-2026-000006987

Publication integrity record

Vacuum cup gripper, three outlet manifold, three stage ejector, pressure verified, contact triggered, polyurethane 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-2026-000006987) never changes.

Identity and time

Publication numberOT-2026-000006987 · never reused
Internal UUID01a0a96e-a57a-7fcd-9b09-7e0244066c2c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:35.965233Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006987
StatusPUBLIC

Content hashes

Canonical textdb73b651327956f0c4b1a77025fce489a7b9fee28c3bc0eadd2794c6bda0a503
Markdown903ece530668df68f7907ed9ea8b5ed0f559b8c3d76d1b9cfc70d04ea2f82ef6
PDF
Publication page5d3214101637fa18da87921e58e1827b90aadc3d3083854ac9a91d9342c3ddbf
Manifest3ed5bfb0f949728c36a644f387970a1321da8363f502248659672cd58205d134

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
SignaturekDPROfEY8nKSt6GjLhelBpjrBc8c4TnygpQC7BesZvTNwSaSbtsrLzXsJrIJ+/kINEPh9bp/KkXjkuMbyQ/RAQ==
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

2026-09-16T09:00:14.663179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006987
observed 5d3214101637fa18da87921e58e1827b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.650323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006987/manifest.json
observed 3ed5bfb0f949728c36a644f387970a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.636307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006987/publication.md
observed 903ece530668df68f7907ed9ea8b5ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.499799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006987/publication.txt
observed db73b651327956f0c4b1a77025fce489...
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.