OpenTechnical

OT-2026-000013327

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000013327) never changes.

Identity and time

Publication numberOT-2026-000013327 · never reused
Internal UUID01a0ae6d-6fc9-7fa6-bdef-2f81bb0e9894 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013327
StatusPUBLIC

Content hashes

Canonical textddbcf3f8628eae757135a37a85928c46d7b652d904d1007ab5300d68e86e5343
Markdown5931329d97921a92de42f244795e22e6374cdf18b34e43a4880b80a523b2431a
PDF
Publication page493958b84781fcf26d14df1021ba4d7eea77f8b45f25d137c9ec8b4b943a294d
Manifest7f878e35f5367870f7ddccc4c8f84fc83a3d857d7ed90f5f937269ab8caa993b

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
SignatureDHOJELbzc5/XqdcYcMEKu9i26uz+aVu0628GByxU8t4MfOqKiXjyMDtgsq+LabGiuY8LuKb6OXtkM3IaBL8qCw==
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

2026-09-17T12:09:45.819331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013327
observed 493958b84781fcf26d14df1021ba4d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.801010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013327/manifest.json
observed 7f878e35f5367870f7ddccc4c8f84fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.780687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013327/publication.md
observed 5931329d97921a92de42f244795e22e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:45.761709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013327/publication.txt
observed ddbcf3f8628eae757135a37a85928c46...
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.