OpenTechnical

OT-2026-000075720

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000075720) never changes.

Identity and time

Publication numberOT-2026-000075720 · never reused
Internal UUID01a0ae94-29fd-77bd-922b-7f4648a090dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075720
StatusPUBLIC

Content hashes

Canonical text97ab62c661407f4747b997494f8af1dc4c0cb637af98c0bfe8ca5de7a0902ef6
Markdown7c6db28d40502b4922cb21eddc9f3d3da93e6763a60b53ed14d5a505fae926d0
PDF
Publication page2357a2e23fb4b3beeb16fa545a1814f5a555376167ed1cc8f175c3acf78980be
Manifest979bfe1be20ebe0535ec24b65180d5016ac4131ecb59fee283ccffc7f09f7d64

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
SignatureyflmoYyIj8kOQVX0RXzXeJDNZQ3B7WszwJERNDCIHDfmSypJpCW2QdGcvCVtfV3qT1QjE0KxQKhdPK+xK13YCQ==
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

2026-09-17T10:13:58.247822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075720
observed 2357a2e23fb4b3beeb16fa545a1814f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:58.228237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075720/manifest.json
observed 979bfe1be20ebe0535ec24b65180d501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:58.207168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075720/publication.md
observed 7c6db28d40502b4922cb21eddc9f3d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.999664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075720/publication.txt
observed 97ab62c661407f4747b997494f8af1dc...
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.