OpenTechnical

OT-2026-000008382

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000008382) never changes.

Identity and time

Publication numberOT-2026-000008382 · never reused
Internal UUID01a0ae6a-e469-7526-a6bc-5caa277e9744 · 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-2026-000008382
StatusPUBLIC

Content hashes

Canonical text90f759da218b8815f3393958a011ef2256d2671731594698da0c3eafa836f5f1
Markdown6a3b822c373569228d881f52f87853a80ff951b6c1f4c8d80f59ad58c952925f
PDF
Publication pageeba8edd037b42aa486047aafbce0a7fb1194e8b31dbff817285a65a8e0e2920e
Manifest97cabeda5f8968120288e9c1d86cad156cc00fb0c8ef9b8a2c40418147bc9ef3

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
SignatureU6nw+riLbIBHdX2Yd676K5VUU+k3UlcEMSMeVPXcc9GS1f61sH+k7zmbXb1/wVWqQwjrBI1/evRLtvQ6uvKBCw==
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

2026-09-17T12:18:12.850932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008382
observed eba8edd037b42aa486047aafbce0a7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.828573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008382/manifest.json
observed 97cabeda5f8968120288e9c1d86cad15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.808261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008382/publication.md
observed 6a3b822c373569228d881f52f87853a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:12.761234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008382/publication.txt
observed 90f759da218b8815f3393958a011ef22...
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.