OpenTechnical

OT-2026-000078817

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000078817) never changes.

Identity and time

Publication numberOT-2026-000078817 · never reused
Internal UUID01a0ae95-ccbd-712b-b760-5391d8df9af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078817
StatusPUBLIC

Content hashes

Canonical texte4b55cc4df82e6aebd4f3122c4c82734a3dc9deb2f51b25724cfe7f57e4f3d23
Markdownf6748c39a3a56a6fe422428caf3eb4b5376958e6749dc692a868ecca8ff80520
PDF
Publication page857b172237738ee8fa5ed4c35f30f43663aa672a419df8f39ed5cc7c16febfb2
Manifest3f69454a0faaf487973a6e863ee39ac24312305f6907110d89ec4589bfcc93f0

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
SignatureH1InANVT5eC1FEleRLZBRmKtbY8TTZGW6sOJ2rSTlZPvXusVS7mbsVLNASpA2qXr1QTi6ZthEK7fr1PSMbOWCg==
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

2026-09-17T10:05:36.868663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078817
observed 857b172237738ee8fa5ed4c35f30f436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.847722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078817/manifest.json
observed 3f69454a0faaf487973a6e863ee39ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.830278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078817/publication.md
observed f6748c39a3a56a6fe422428caf3eb4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.812694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078817/publication.txt
observed e4b55cc4df82e6aebd4f3122c4c82734...
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.