OpenTechnical

OT-2026-000040777

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000040777) never changes.

Identity and time

Publication numberOT-2026-000040777 · never reused
Internal UUID01a0ae79-6d0f-7d40-995e-5364740a4810 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040777
StatusPUBLIC

Content hashes

Canonical text5d15af3a5736692c839f9c1d73c090d29f59502b103fe16404ab55c9ce608edb
Markdown3a6842ed7b77b73d8a14b636d96592c731969e8637dd4ae4bc692152a1327381
PDF
Publication page0a0a17bb31291d28bed485a49899e0ef8d8b191591f6b818f62fd3692b84ce5c
Manifest9bdec8c5f7d7bb4f29070d36476dd51937e5a1e703ea6e4a4150ed9ad8370be2

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
SignatureVX16SdZtPPt8lNbKFAJKH06h2zdWznM06XIOFl3n1gI4Md84S+XwdJGDotM5EYM7KhYUhbmwx5N3fxFDU/HSBQ==
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

2026-09-17T11:20:04.833926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777
observed 0a0a17bb31291d28bed485a49899e0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.815332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777/manifest.json
observed 9bdec8c5f7d7bb4f29070d36476dd519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.797211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777/publication.md
observed 3a6842ed7b77b73d8a14b636d96592c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.780315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777/publication.txt
observed 5d15af3a5736692c839f9c1d73c090d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.679940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777
observed 0a0a17bb31291d28bed485a49899e0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.663346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777/manifest.json
observed 9bdec8c5f7d7bb4f29070d36476dd519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.641878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777/publication.md
observed 3a6842ed7b77b73d8a14b636d96592c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.622121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040777/publication.txt
observed 5d15af3a5736692c839f9c1d73c090d2...
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.