OpenTechnical

OT-2026-000032717

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000032717) never changes.

Identity and time

Publication numberOT-2026-000032717 · never reused
Internal UUID01a0ae75-1071-784e-8c71-dbe390c003b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032717
StatusPUBLIC

Content hashes

Canonical text084fc912b68f49c051072fcf6555aa3c0cc078803e554f698ceba33679ef49eb
Markdown76cfd396ce1e334f0bae8e5cff36ac61bb3f7d30c00ecc04411c79236f844f57
PDF
Publication page82bd486a50c6ca4a58afd71ada72c9d1afb2cb3e99d9853dbf3edcd52531bcd1
Manifestd5cf9d7f6bdfba3ea6147952ccdcaa8409a8934f919f3b64dbadc2996c648680

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
SignatureWJea/tEcDhxhAm7FrQylYQ6liEat+i3ROUVFCbSJzyn3/yBMGNwZWAuvMJmht9KZhsB0IsJtQHer+YpcHgulBA==
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

2026-09-17T11:34:20.006090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032717
observed 82bd486a50c6ca4a58afd71ada72c9d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.989127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032717/manifest.json
observed d5cf9d7f6bdfba3ea6147952ccdcaa84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.971195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032717/publication.md
observed 76cfd396ce1e334f0bae8e5cff36ac61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.954385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032717/publication.txt
observed 084fc912b68f49c051072fcf6555aa3c...
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.