OpenTechnical

OT-2026-000005425

Publication integrity record

Bellows cup vacuum gripper, four zone face, two outlet manifold, plant vacuum fed, 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-2026-000005425) never changes.

Identity and time

Publication numberOT-2026-000005425 · never reused
Internal UUID01a0a938-9b6c-7f98-8837-dfefeab9fc12 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:34.447904Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005425
StatusPUBLIC

Content hashes

Canonical textbf4b1cd32e0e2a2d8fc23a3f85415ee6c6d3777da8e5f486af66452a80336b43
Markdown74e1fd7cc01e22649ff1b55c1d04df754396685549c87ba1d5512a8e03b8bf70
PDF
Publication page2b92ad555d3d70563919d284423e4d74a37a6b011805b281b388e92d95794998
Manifestba5531336d3ea02afdfee718bfba57e1e1c1c520ad009511e28da13fb8657613

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
Signaturepj0lWlTeQk03m/+XqX3fPSRIINT7umx8zam84sTQWmQYNwjdaPXp3cJ7MD/MbZLWTXW4Ds2zKzQB65mxme+KCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:10.998542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005425
observed 2b92ad555d3d70563919d284423e4d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:10.983088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005425/manifest.json
observed ba5531336d3ea02afdfee718bfba57e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:10.961308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005425/publication.md
observed 74e1fd7cc01e22649ff1b55c1d04df75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:10.941669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005425/publication.txt
observed bf4b1cd32e0e2a2d8fc23a3f85415ee6...
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.