OpenTechnical

OT-2026-000067846

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000067846) never changes.

Identity and time

Publication numberOT-2026-000067846 · never reused
Internal UUID01a0ae8f-c4fb-7a29-8bca-7bdf319e2d04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067846
StatusPUBLIC

Content hashes

Canonical texta1112a3bbb1482d09ea211f4d496a0bb4c21c4dac251e2554dbd5804a8cebc60
Markdownef8eeae1c4431efc9d6c86c6d4c1eee5d9c478db4cbcb31175d0bc9d26ade93f
PDF
Publication pageeed5bb22cb2719ace539595517f6dff1f946708b8a20d8b95ebd7f94911f0583
Manifest51b605c8786a74ae1b8c80cdae145ac4b6adecc3d9868c81c0d0e9d952e4fdc2

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
SignatureH0O42dB1RKcDssicmXZ3pERMzOOmuRHASdzliZtvEgHWxp6D99FRmh5Bc8g1bjeh5unrI9g5hO2yxrCAxGiBCg==
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

2026-09-17T10:30:06.214186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067846
observed eed5bb22cb2719ace539595517f6dff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.198450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067846/manifest.json
observed 51b605c8786a74ae1b8c80cdae145ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.182201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067846/publication.md
observed ef8eeae1c4431efc9d6c86c6d4c1eee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.166619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067846/publication.txt
observed a1112a3bbb1482d09ea211f4d496a0bb...
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.