OpenTechnical

OT-2026-000015474

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000015474) never changes.

Identity and time

Publication numberOT-2026-000015474 · never reused
Internal UUID01a0ae6d-ef4a-7046-8bcb-c939c4485f55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015474
StatusPUBLIC

Content hashes

Canonical text23b096fbf831ce86b120d56035202e290df8fc1e179bfb9e07b9c7468f9b8e88
Markdown6a25464d48afc370af80fe44931dc8881ff5a45b3141a8181ac63096bf796185
PDF
Publication page497a6b5caf84fbbadccb44c5f7e1d0671373d05e3dc72be0635e97637d1bfc9e
Manifest366f68e91f090ad3a6f00444d5ebdc7949869eedb466c4b7fe3d5fb144dd3747

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
Signature30zTBAcpp3zEyGeLLefW80L1jzUtF/MB4OrV4eFROTW3KDz8Stv14JuXMxuYAtYdB9oH2fpUM40ImMcVPK66DQ==
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

2026-09-17T12:06:13.846940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015474
observed 497a6b5caf84fbbadccb44c5f7e1d067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.826330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015474/manifest.json
observed 366f68e91f090ad3a6f00444d5ebdc79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.804538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015474/publication.md
observed 6a25464d48afc370af80fe44931dc888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.781050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015474/publication.txt
observed 23b096fbf831ce86b120d56035202e29...
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.