OpenTechnical

OT-2026-000064290

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000064290) never changes.

Identity and time

Publication numberOT-2026-000064290 · never reused
Internal UUID01a0ae8d-a460-7e7c-81b1-94dedfe3c323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064290
StatusPUBLIC

Content hashes

Canonical text79435f1e7cf884683003347998906eb1181fd710f5f96bba5aa2ed5d59875fe3
Markdownb5b2765fb66854cad293e8569e3ad4c325714d05dcb9ef0302ec732b5b6460b4
PDF
Publication pagecb90ab64b5e5a910de9229a66c84887f21b6ac3a72a9530329947199f6c39bcd
Manifest37d2c027af38d05dc4bb8bbd6e717e2aea5883477cd0bb5dd39be409fbda9e6c

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
SignatureAtgMTMNspvyfMikqDpn+oJ8AND1CWJg8uvY0Ka2TeZnk2pjIyebiJz3WB9KwUGLo8SUgy8UFEuqyCAtycbNXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:26.031842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064290
observed cb90ab64b5e5a910de9229a66c84887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.012491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064290/manifest.json
observed 37d2c027af38d05dc4bb8bbd6e717e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.996193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064290/publication.md
observed b5b2765fb66854cad293e8569e3ad4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.979328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064290/publication.txt
observed 79435f1e7cf884683003347998906eb1...
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.