OpenTechnical

OT-2026-000007009

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, vented after set down, 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-2026-000007009) never changes.

Identity and time

Publication numberOT-2026-000007009 · never reused
Internal UUID01a0a96f-64a1-7765-b616-76d30d7e5425 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:57:24.900284Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007009
StatusPUBLIC

Content hashes

Canonical textf743281960f171707fae3c22b50da09672152b7b036848dcd024758ce9807ccf
Markdownb2df52d73c53a1bef485afac9c90cfebac0b8d874a4a533e69bac1f6c623ca6c
PDF
Publication page1e9a73b98a007abbf85fb44d1ad935757d55cd6ba352f605050b0c17eb14d9cc
Manifest0448d3674d3443ab7bdeae174518880b6ea7ddf05c1748a8142b8582fffd6b70

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
SignaturescC4TbPBBCNfMMa7Z6L1PpDH1xaQMQ/T+ykkb7z0rIiRXuRlhG4Pam0HoVJmO5IhbH0N5kcnwuVdW/Jw76QmBw==
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

2026-09-16T09:00:12.218076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007009
observed 1e9a73b98a007abbf85fb44d1ad93575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.205340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007009/manifest.json
observed 0448d3674d3443ab7bdeae174518880b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.193110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007009/publication.md
observed b2df52d73c53a1bef485afac9c90cfeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:12.178819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007009/publication.txt
observed f743281960f171707fae3c22b50da096...
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.