OpenTechnical

OT-2026-000049763

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000049763) never changes.

Identity and time

Publication numberOT-2026-000049763 · never reused
Internal UUID01a0ae81-8fef-7ff6-827a-fe9a49a230ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049763
StatusPUBLIC

Content hashes

Canonical text38e7e5d77298e64e3ffd749025ab44ed174fd93f10414e33310183b5bb88e228
Markdown8bc8cfb783a4272bf6635c4df1f0ec9862f5aec4fa4754b63bcc2aadb07f94b8
PDF
Publication page519d0629993ed805c0d6caeea1ad8f2f945d0353b87e050619e68641a3dafa12
Manifest5644e4af3ffeaa9b8e6e45af3657b9183ef8398e9e136da6f5d43ca118a55a6a

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
SignatureDXvYcoBlYQBSCnVnTx0yoodLAToP2i39jGo4r0110/JVYh7l+v6+QmVmc3pc4JnDIJF/AKN1pvIPrf+Ytt6aBA==
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

2026-09-17T11:02:47.777014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049763
observed 519d0629993ed805c0d6caeea1ad8f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.758218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049763/manifest.json
observed 5644e4af3ffeaa9b8e6e45af3657b918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.739806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049763/publication.md
observed 8bc8cfb783a4272bf6635c4df1f0ec98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.721188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049763/publication.txt
observed 38e7e5d77298e64e3ffd749025ab44ed...
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.