OpenTechnical

OT-2026-000009435

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000009435) never changes.

Identity and time

Publication numberOT-2026-000009435 · never reused
Internal UUID01a0ae6b-7562-7350-9a92-1cccb2b636d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009435
StatusPUBLIC

Content hashes

Canonical text7891f8f65097c14b936fd0f8f65fa77d36efb800c5a43b92d93ac80595953ac9
Markdown96dc8ba5e3f7bdbf2399480e7d91c7492658b84c30241f33b34310c49c46cf08
PDF
Publication pagecaf1fe77acf4395083d8852255b80fbb229073d986ad39601e0340ad2e02b502
Manifest8eeaf98d7459f48c70ec4c3c49b19644e7bf33e344ef893800091b7e4d4669b3

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
SignatureHoTr1aWRLU3djbylVqmP2dV1cF4NtGPX3G7S9fXK1d5bd3mEZUGsRXQS0Neec+mAytTeZI/RNQhLBIU60EjVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:43.574230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009435
observed caf1fe77acf4395083d8852255b80fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.542333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009435/manifest.json
observed 8eeaf98d7459f48c70ec4c3c49b19644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.524899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009435/publication.md
observed 96dc8ba5e3f7bdbf2399480e7d91c749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:43.507152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009435/publication.txt
observed 7891f8f65097c14b936fd0f8f65fa77d...
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.