OpenTechnical

OT-2026-000068565

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000068565) never changes.

Identity and time

Publication numberOT-2026-000068565 · never reused
Internal UUID01a0ae90-2482-7be9-a1c9-13b057c2052a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068565
StatusPUBLIC

Content hashes

Canonical textf7843ac6002acb30312785d20d93f48c09ecc6db8c0e17b1d59b2c1b262ef04b
Markdown992b3741dd2c04825f960c0c9c1c48a81cf1e120485cbc65526c0dc292957b22
PDF
Publication page9f4f5061d012cb7260f422dd7e4049c879db37158c6ba71df9459907f1562495
Manifest84290eadc185845ef346f5f40e456d2b24ba6dc859b8f0d8248990340dde051a

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
Signaturefv3badi3rLlnkxme3V0vIY0ND5Sj0qLOVZloukQRW801zu9eSPWfe8zdCNWYz4y2R5fTAudapzzpTnLEQhVmAw==
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

2026-09-17T10:29:44.127069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068565
observed 9f4f5061d012cb7260f422dd7e4049c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.108620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068565/manifest.json
observed 84290eadc185845ef346f5f40e456d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.088389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068565/publication.md
observed 992b3741dd2c04825f960c0c9c1c48a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:44.069953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068565/publication.txt
observed f7843ac6002acb30312785d20d93f48c...
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.