OpenTechnical

OT-2026-000008487

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000008487) never changes.

Identity and time

Publication numberOT-2026-000008487 · never reused
Internal UUID01a0ae6a-e46a-7de4-9389-bcf55d19e15b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008487
StatusPUBLIC

Content hashes

Canonical text19e0357b7002c4fe958b877c1945b00a6c26019ba6e632c39a727b6f885b835d
Markdown3089840a0ece5ae797d2a3e8f20e116e76987136bac16370cff2211ac8e9b07b
PDF
Publication pageea6863330384701778f714ff538ca275bd73fde0e9a6a3053e8d3d25165e31dd
Manifesta3d0902298bcdaabc66e041079ea8392090a47ecfe03c2c7d29bfb9d2eb5bcbf

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
SignaturehOD8RZh3qxnmWuGIFBP/4xBaq/A9Al5tlFnVqCH9rfBifQO0UAORlE0H328UYfG/nGS8GlBoh+7AMq970XD3Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:23.110222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008487
observed ea6863330384701778f714ff538ca275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.092480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008487/manifest.json
observed a3d0902298bcdaabc66e041079ea8392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.067474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008487/publication.md
observed 3089840a0ece5ae797d2a3e8f20e116e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.048284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008487/publication.txt
observed 19e0357b7002c4fe958b877c1945b00a...
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.