OpenTechnical

OT-2026-000099758

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099758) never changes.

Identity and time

Publication numberOT-2026-000099758 · never reused
Internal UUID01a0aea2-c977-73b8-9915-6b00bfb8b89c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099758
StatusPUBLIC

Content hashes

Canonical text4be3e9dd26dd8143aa6771dc0fe33edbe10ef4f40d7d8952495ed0a30cb4fd4e
Markdownf756fc8bec926ce2ecbfcea3f5e16aee91f100445fca47b5708c8724f76a3e56
PDF
Publication page53c00a060af3b270740ae082a13bf495b48c1754156a77410ef73b8a6c3b3d03
Manifestaead9497c9dbb256b8610784d70ba6801628a5ad3e8d1b559d890803cafa265e

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
SignatureHFDop8KpxGuIwkaKfUx9A62FeBAaR/BA/wfe6O7NvXR9RsJaCiDBM2slAwzKBo+pCnNiFOhA+3WDxq+TMC6JCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:47.204506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099758
observed 53c00a060af3b270740ae082a13bf495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.187093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099758/manifest.json
observed aead9497c9dbb256b8610784d70ba680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.169462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099758/publication.md
observed f756fc8bec926ce2ecbfcea3f5e16aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.152286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099758/publication.txt
observed 4be3e9dd26dd8143aa6771dc0fe33edb...
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.