OpenTechnical

OT-2026-000025515

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000025515) never changes.

Identity and time

Publication numberOT-2026-000025515 · never reused
Internal UUID01a0ae71-5fa8-78d7-9504-61925c9f3c8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025515
StatusPUBLIC

Content hashes

Canonical text42c4f5927bb5a3392c97beccf7b29af0f0c717bb4f52aa760f280c5b60fbf832
Markdown944551cac2dd144d8caae816be9a6c6a2ef6beeb0a0b6ce81925ac5d81c1a17c
PDF
Publication pagea90e5145dbcc55432d391ea810f8eb0cbb20f9759d8da93775be1d875c353e89
Manifest09a73b3812660e721754b966d8105f9797b107fee79c5f461ce88d005c9a77ed

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
Signature0xdTICS29DXI7pFrZyGIj5fzKfcigQEvvXfDY/cMa9SI+cQP5jByKJ4LfRuv/TW9Yl22p+Jtbpdk6Z18xICvBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:39.136663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025515
observed a90e5145dbcc55432d391ea810f8eb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.013452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025515/manifest.json
observed 09a73b3812660e721754b966d8105f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.994428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025515/publication.md
observed 944551cac2dd144d8caae816be9a6c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:38.974301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025515/publication.txt
observed 42c4f5927bb5a3392c97beccf7b29af0...
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.