OpenTechnical

OT-2026-000037899

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000037899) never changes.

Identity and time

Publication numberOT-2026-000037899 · never reused
Internal UUID01a0ae77-f88a-7f9f-a8cb-e6bb05bf94fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037899
StatusPUBLIC

Content hashes

Canonical textea6d6e2f5067db9c8d6fb38485b7c1f010604d7a5503689673b3e184cb3e6e7f
Markdowneab7efe7777c38e1f0db95c5f54595dbfca9436a9d17ed2bd5b01d8aa4b0bb77
PDF
Publication page3523b4eaa89ad1f91858c99e83986865b3bf9fe5c780460fb53a27f624f5f0e6
Manifest32b01b8988401dba8066fa698a304cc7b99b41cefa93575a498f4234e14b3671

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
SignatureNvnPANqftrfbWYCHBhkL0QPOSSHVfcDHQYeveudp3TEZ7yi+sn5Jgf69cJ+MQBw/gVw5votLNewiNRUNou5mDQ==
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

2026-09-17T11:23:09.980365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037899
observed 3523b4eaa89ad1f91858c99e83986865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.963511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037899/manifest.json
observed 32b01b8988401dba8066fa698a304cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.946169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037899/publication.md
observed eab7efe7777c38e1f0db95c5f54595db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.928833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037899/publication.txt
observed ea6d6e2f5067db9c8d6fb38485b7c1f0...
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.