OpenTechnical

OT-2026-000038399

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000038399) never changes.

Identity and time

Publication numberOT-2026-000038399 · never reused
Internal UUID01a0ae78-2d52-7928-9bd3-b53a0f0d8291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038399
StatusPUBLIC

Content hashes

Canonical text9b06d5883ee6ebde0408db0c902e9a2f1c526c6481312631ceae9f571c687fb0
Markdown90284300b38a41d8bd93a20a32df42210fb70415d6bbeafdc006fcbc713dbbb4
PDF
Publication paged036050f35a9c3ddfe3d78605ae0f26d741d8e2eab688ecfd1f251b9a3e25d04
Manifest07f646689f2ee11c52a05bb644dc686298987aec906cd7d253c3716734574a52

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
SignatureQ+ImkXXYX3YFYha3MjgxJt1A8Og04EMT9dNYPKv7X38KyrQE7uFeadIs6dHYgwSCV6QhBz2OxPhOUmtPbNfhAA==
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

2026-09-17T11:22:36.489388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038399
observed d036050f35a9c3ddfe3d78605ae0f26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.468866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038399/manifest.json
observed 07f646689f2ee11c52a05bb644dc6862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.450311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038399/publication.md
observed 90284300b38a41d8bd93a20a32df4221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.432432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038399/publication.txt
observed 9b06d5883ee6ebde0408db0c902e9a2f...
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.