OpenTechnical

OT-2026-000081378

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081378) never changes.

Identity and time

Publication numberOT-2026-000081378 · never reused
Internal UUID01a0ae96-f375-7bb4-ad00-4526ed4edf9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081378
StatusPUBLIC

Content hashes

Canonical text950f6b409a95353b47554fec11f5c8cb78525072990e2d874f63296738ea12aa
Markdown3dc23bdcadb7043ea0bb295f0494672afa070048c0c87f23633ec7cc5db428d0
PDF
Publication page9733509796a45840460b48be3ac0d9382fe429a642015780bce30791b1b90c0f
Manifest7ad3ddcd85b2f0e2ecafbeb5396a21c3e0fbd2b405c29b8a2d72865661ad9e0a

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
SignaturelDUHT+k3os/TWlFE+JFXlu319SAJ1w3HA7yZHdA+5LYGqHlmCWC+uzBX5xsEmCaxCfS3KQvghA4Pii9UZ1e+Cg==
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

2026-09-17T10:01:31.019773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081378
observed 9733509796a45840460b48be3ac0d938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:31.003925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081378/manifest.json
observed 7ad3ddcd85b2f0e2ecafbeb5396a21c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.986120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081378/publication.md
observed 3dc23bdcadb7043ea0bb295f0494672a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.968188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081378/publication.txt
observed 950f6b409a95353b47554fec11f5c8cb...
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.