OpenTechnical

OT-2026-000004536

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, three stage ejector

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-2026-000004536) never changes.

Identity and time

Publication numberOT-2026-000004536 · never reused
Internal UUID01a0a91b-39a6-76a8-9629-2c8c5c137e77 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:25:28.873279Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004536
StatusPUBLIC

Content hashes

Canonical text56d6f2a745022abbce2e5996d58456851ad85279453008ded8c0b4da3a7eefc0
Markdown22933b296ae6057fcb0dfcf636b1a06c52983610404a606a267172aece804534
PDF
Publication pageb9717734f9d2df1f03045c34b163b79414b408d0eba7c0486eb1d040123ef151
Manifest607f280588d1bdf181628b487e6afbd0ee35a44616b96ca23094440e04fa64ce

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
Signaturea8AtTsiLNITJtWGfoiGM+HW3asOlI5iO/u3RyrrdNv2EjBTZoCroqqJxOyp3pDXEeB9LZKj4hZCPszbHYbPcAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:17.197980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004536
observed b9717734f9d2df1f03045c34b163b794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:17.186328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004536/manifest.json
observed 607f280588d1bdf181628b487e6afbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:17.172054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004536/publication.md
observed 22933b296ae6057fcb0dfcf636b1a06c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:17.160653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004536/publication.txt
observed 56d6f2a745022abbce2e5996d5845685...
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.